Swallow (English Wikipedia)

The American Topical Association lists more than 1000 depictions of swallows and martins on postage stamps around the world. See Archived 2020-03-31 at the Wayback Machine

amnh.org (Global: 454^th place; English: 907^th place)

digitallibrary.amnh.org

Mayr, E.; Amadon, D (1951). "A Classification of Recent Birds" (PDF). American Museum Novitates (1496): 16.

answers.com (Global: 2,156^th place; English: 1,933^rd place)

Swallows (Hirundinidae) Archived 2009-01-29 at the Wayback Machine. Answers.com

archive.org (Global: 6^th place; English: 6^th place)

Turner, Angela K. (2004). "Family Hirundinidae (Swallows and Martins)". In del Hoyo, J.; Elliott, A.; Christie, D.A. (eds.). Handbook of the Birds of the World. Vol. 9: Cotingas to Pipits and Wagtails. Barcelona, Spain: Lynx Edicions. pp. 602–685. ISBN 978-84-87334-69-6.

biodiversitylibrary.org (Global: 168^th place; English: 136^th place)

Rafinesque, Constantine Samuel (1815). Analyse de la nature ou, Tableau de l'univers et des corps organisés (in French). Vol. 1815. Palermo: Self-published. p. 68.

birdlife.org (Global: 932^nd place; English: 1,256^th place)

datazone.birdlife.org

BirdLife International. "Species factsheet: Blue Swallow Hirundo atrocaerulea". Retrieved 30 March 2026.

birdwatchireland.ie (Global: low place; English: low place)

"Swallow". Birdwatch Ireland. Retrieved 8 May 2024.

books.google.com (Global: 3^rd place; English: 3^rd place)

Angela Turner; Chris Rose (2010). A Handbook to the Swallows and Martins of the World. A&C Black. p. 12. ISBN 978-1-4081-3172-5.
Gill, Frank B. (1995). Ornithology. W. H. Freeman. p. 434. ISBN 978-0-7167-2415-5.
Brian, P.W. (1955). Bird Navigation. Cambridge University Press. pp. 57–58. Retrieved 2009-03-01.
Forbes Irving, Paul M. C. (1990). Metamorphosis in Greek Myths. Clarendon Press. pp. 101–3, 248–9. ISBN 0-19-814730-9.
Anonymous (1889). Zoologist: A Monthly Journal of Natural History, ser.3 v.13. J. Van Voorst. pp. 398–399. Retrieved 2009-03-01.

cornell.edu (Global: 308^th place; English: 253^rd place)

eeb.cornell.edu

Hirundinidae Archived 2002-05-04 at the Wayback Machine. eeb.cornell.edu

csiro.au (Global: 3,457^th place; English: 2,432^nd place)

publish.csiro.au

Serventy, D. L. (1970). "Torpidity in the White-backed Swallow". Emu. 70 (1): 27–28. Bibcode:1970EmuAO..70...27S. doi:10.1071/mu970027a.

doi.org (Global: 2^nd place; English: 2^nd place)

Alström, Per; Olsson, Urban; Lei, Fumin (2013). "A review of the recent advances in the systematics of the avian superfamily Sylvioidea". Chinese Birds. 4 (2): 99–131. Bibcode:2013AvRes...4...99A. doi:10.5122/cbirds.2013.0016.
Oliveros, C.H.; et al. (2019). "Earth history and the passerine superradiation". Proceedings of the National Academy of Sciences of the United States. 116 (16): 7916–7925. Bibcode:2019PNAS..116.7916O. doi:10.1073/pnas.1813206116. PMC 6475423. PMID 30936315.
Sheldon, Frederick H.; Whittingham, Linda A.; Moyle, Robert G.; Slikas, Beth; Winkler, David W. (April 2005). "Phylogeny of swallows (Aves: Hirundinidae) estimated from nuclear and mitochondrial DNA sequences". Molecular Phylogenetics and Evolution. 35 (1): 254–270. Bibcode:2005MolPE..35..254S. doi:10.1016/j.ympev.2004.11.008. PMID 15737595.
Winkler, D. W.; Sheldon, F. H. (1993). "Evolution of nest construction in swallows (Hirundinidae): a molecular phylogenetic perspective". Proceedings of the National Academy of Sciences. 90 (12): 5705–5707. Bibcode:1993PNAS...90.5705W. doi:10.1073/pnas.90.12.5705. ISSN 0027-8424. PMC 46790. PMID 8516319.
Schield, D.R.; Brown, C.E.; Shakya, S.B.; Calabrese, G.M.; Safran, R.J.; Sheldon, F.H. (2024). "Phylogeny and historical biogeography of the swallow family (Hirundinidae) inferred from comparisons of thousands of UCE loci". Molecular Phylogenetics and Evolution. 197 108111. doi:10.1016/j.ympev.2024.108111. PMID 38801965.
Volkova, N. V. (2024-08-28). "The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia". Doklady Biological Sciences. 518 (1): 261–265. doi:10.1134/S0012496624600258. ISSN 0012-4966. PMID 39212885.
Hails, C.J (1979). "A comparison of flight energetics in hirundines and other birds". Comparative Biochemistry and Physiology Part A: Physiology. 63 (4): 581–585. doi:10.1016/0300-9629(79)90199-3.
Tyrrell, Luke P.; Fernández-Juricic, Esteban (2017). "The hawk-eyed songbird: Retinal morphology, eye shape, and visual fields of an aerial insectivore". The American Naturalist. 189 (6): 709–717. doi:10.1086/691404. ISSN 0003-0147. PMID 28514631. S2CID 3923166.
Norberg, R. Ake (1994). "Swallow Tail Streamer is a Mechanical Device for Self Deflection of Tail Leading Edge, Enhancing Aerodynamic Efficiency and Flight Manoeuvrability". Proceedings of the Royal Society B. 257 (1350): 227–233. Bibcode:1994RSPSB.257..227N. doi:10.1098/rspb.1994.0119. S2CID 86592049.
Buchanan, Katherine L.; Evans, Matthew R. (2000). "The effect of tail streamer length on aerodynamic performance in the barn swallow". Behavioral Ecology. 11 (2): 228–238. doi:10.1093/beheco/11.2.228. hdl:10536/DRO/DU:30100792.
Møller, Anders pape (1992). "Sexual selection in the monogamous barn swallow (Hirundo rustica). II. Mechanisms of sexual selection". Journal of Evolutionary Biology. 5 (4): 603–624. doi:10.1046/j.1420-9101.1992.5040603.x. S2CID 85260912.
Gaunt, Abbot (1969). "Myology of the Leg in Swallows". Auk. 86 (1): 41–53. doi:10.2307/4083540. JSTOR 4083540.
Bańbura, Jerzy (1986). "Sexual dimorphism in wing and tail length as shown by the Swallow Hirundo rustica". Journal of Zoology. 201 (1): 131–136. doi:10.1111/j.1469-7998.1986.tb03625.x.
Korczak-Abshire, Małgorzata; Lees, Alexander; Jojczyk, Agata (2001). "First documented record of barn swallow (Hirundo rustica) in the Antarctic". Polish Polar Research. 32 (4): 355–360. doi:10.2478/v10183-011-0021-9.
Tarburton, M.K. (1993). "A Comparison of the Breeding Biology of the Welcome Swallow in Australia and Recently Colonized New Zealand". Emu. 93 (1): 34–43. Bibcode:1993EmuAO..93...34T. doi:10.1071/MU9930034.
Lariewski, Robert C.; Thompson, Henry J. (1965). "Field Observation of Torpidity in the Violet-Green Swallow" (PDF). Condor. 68 (1): 102–103. doi:10.2307/1365178. JSTOR 1365178.
Serventy, D. L. (1970). "Torpidity in the White-backed Swallow". Emu. 70 (1): 27–28. Bibcode:1970EmuAO..70...27S. doi:10.1071/mu970027a.
Prinzinger, R; Siedle, K (1988). "Ontogeny of metabolism, thermoregulation and torpor in the house martin Delichon u. urbica (L.) and its ecological significance". Oecologia. 76 (2): 307–312. Bibcode:1988Oecol..76..307P. doi:10.1007/BF00379969. PMID 28312213. S2CID 52596.
Shields, William (1984). "Barn swallow mobbing: Self-defence, collateral kin defence, group defence, or parental care?". Animal Behaviour. 32 (1): 132–148. doi:10.1016/s0003-3472(84)80331-0. S2CID 53193659.
McCarty, John P.; David W. Winkler (1999). "Foraging Ecology and Diet Selectivity of Tree Swallows Feeding Nestlings" (PDF). Condor. 101 (2): 246–254. doi:10.2307/1369987. JSTOR 1369987.
Hespenheide, Henry A. (1975). "Selective predation by two swifts and a swallow in Central America". Ibis. 117 (1): 82–99. doi:10.1111/j.1474-919X.1975.tb04189.x.
Underhill, L; Hofmeyr, J (2007). "Barn Swallows Hirundo rustica disperse seeds of Rooikrans Acacia cyclops, an invasive alien plant in the Fynbos Biome". Ibis. 149 (3): 468–471. doi:10.1111/j.1474-919X.2007.00598.x.
Orłowski, Grzegorz; Karg, Jerzy (2013). "Diet breadth and overlap in three sympatric aerial insectivorous birds at the same location". Bird Study. 60 (4): 475–483. Bibcode:2013BirdS..60..475O. doi:10.1080/00063657.2013.839622.
Brown, C; Brown, M (1986). "Ectoparasitism as a Cost of Coloniality in Cliff Swallows (Hirundo pyrrhonota)". Ecology. 67 (5): 1206–1218. Bibcode:1986Ecol...67.1206B. doi:10.2307/1938676. JSTOR 1938676.
Brown, C (1984). "Laying Eggs in a Neighbor's Nest: Benefit and Cost of Colonial Nesting in Swallows". Science. 224 (4648): 518–519. Bibcode:1984Sci...224..518B. doi:10.1126/science.224.4648.518. PMID 17753777. S2CID 21128259.
Møller, Anders Pape (1987). "Advantages and disadvantages of coloniality in the swallow, Hirundo rustica". Animal Behaviour. 35 (3): 819–832. doi:10.1016/S0003-3472(87)80118-5. ISSN 0003-3472. S2CID 53185342.
Snapp, B (1976). "Colonial Breeding in the Barn Swallow (Hirundo rustica) and Its Adaptive Significance" (PDF). The Condor. 78 (4): 471–480. doi:10.2307/1367096. JSTOR 1367096.
Saino, N; Galeotti, P; Sacchi, R; Møller, A (1997). "Song and immunological condition in male barn swallows (Hirundo rustica)". Behavioral Ecology. 8 (94): 364–371. doi:10.1093/beheco/8.4.364.
Townsend, Jason; Esteban Garrido; Danilo A. Mejia (2008). "Nests and Nesting Behavior of Golden Swallow (Tachycineta euchrysea) in Abandoned Bauxite Mines in the Dominican Republic". Wilson Journal of Ornithology. 120 (4): 867–871. doi:10.1676/08-001.1. S2CID 85973776.

einst.ee (Global: low place; English: low place)

"National symbols of Estonia". The Estonia Institute. Archived from the original on 9 November 2007. Retrieved 27 November 2007.

hdl.handle.net (Global: 66^th place; English: 34^th place)

Bock, Walter J. (1994). History and Nomenclature of Avian Family-Group Names. Bulletin of the American Museum of Natural History. Vol. 222. New York: American Museum of Natural History. pp. 149, 252. hdl:2246/830.
Buchanan, Katherine L.; Evans, Matthew R. (2000). "The effect of tail streamer length on aerodynamic performance in the barn swallow". Behavioral Ecology. 11 (2): 228–238. doi:10.1093/beheco/11.2.228. hdl:10536/DRO/DU:30100792.

jstor.org (Global: 23^rd place; English: 15^th place)

Gaunt, Abbot (1969). "Myology of the Leg in Swallows". Auk. 86 (1): 41–53. doi:10.2307/4083540. JSTOR 4083540.
Lariewski, Robert C.; Thompson, Henry J. (1965). "Field Observation of Torpidity in the Violet-Green Swallow" (PDF). Condor. 68 (1): 102–103. doi:10.2307/1365178. JSTOR 1365178.
McCarty, John P.; David W. Winkler (1999). "Foraging Ecology and Diet Selectivity of Tree Swallows Feeding Nestlings" (PDF). Condor. 101 (2): 246–254. doi:10.2307/1369987. JSTOR 1369987.
Brown, C; Brown, M (1986). "Ectoparasitism as a Cost of Coloniality in Cliff Swallows (Hirundo pyrrhonota)". Ecology. 67 (5): 1206–1218. Bibcode:1986Ecol...67.1206B. doi:10.2307/1938676. JSTOR 1938676.
Snapp, B (1976). "Colonial Breeding in the Barn Swallow (Hirundo rustica) and Its Adaptive Significance" (PDF). The Condor. 78 (4): 471–480. doi:10.2307/1367096. JSTOR 1367096.
Jackson, Jerome; Tate, James Jr. (1974). "An Analysis of Nest Box Use by Purple Martins, House Sparrows, and Starlings in Eastern North America". The Wilson Bulletin. 86 (4): 435–449. JSTOR 4160543.

korea.net (Global: 6,509^th place; English: 5,909^th place)

"More than just a bird". Korea.net.

natuurinfo.nl (Global: low place; English: low place)

ardeajournal.natuurinfo.nl

Bijlsma, R (2003). "A Barn Swallow Hirundo rustica roost under attack: timing and risks in the presence of African Hobbies Falco cuvieri" (PDF). Ardea. 93 (1): 37–48. Archived from the original (PDF) on 2008-10-31.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Oliveros, C.H.; et al. (2019). "Earth history and the passerine superradiation". Proceedings of the National Academy of Sciences of the United States. 116 (16): 7916–7925. Bibcode:2019PNAS..116.7916O. doi:10.1073/pnas.1813206116. PMC 6475423. PMID 30936315.
Sheldon, Frederick H.; Whittingham, Linda A.; Moyle, Robert G.; Slikas, Beth; Winkler, David W. (April 2005). "Phylogeny of swallows (Aves: Hirundinidae) estimated from nuclear and mitochondrial DNA sequences". Molecular Phylogenetics and Evolution. 35 (1): 254–270. Bibcode:2005MolPE..35..254S. doi:10.1016/j.ympev.2004.11.008. PMID 15737595.
Winkler, D. W.; Sheldon, F. H. (1993). "Evolution of nest construction in swallows (Hirundinidae): a molecular phylogenetic perspective". Proceedings of the National Academy of Sciences. 90 (12): 5705–5707. Bibcode:1993PNAS...90.5705W. doi:10.1073/pnas.90.12.5705. ISSN 0027-8424. PMC 46790. PMID 8516319.
Schield, D.R.; Brown, C.E.; Shakya, S.B.; Calabrese, G.M.; Safran, R.J.; Sheldon, F.H. (2024). "Phylogeny and historical biogeography of the swallow family (Hirundinidae) inferred from comparisons of thousands of UCE loci". Molecular Phylogenetics and Evolution. 197 108111. doi:10.1016/j.ympev.2024.108111. PMID 38801965.
Volkova, N. V. (2024-08-28). "The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia". Doklady Biological Sciences. 518 (1): 261–265. doi:10.1134/S0012496624600258. ISSN 0012-4966. PMID 39212885.
Tyrrell, Luke P.; Fernández-Juricic, Esteban (2017). "The hawk-eyed songbird: Retinal morphology, eye shape, and visual fields of an aerial insectivore". The American Naturalist. 189 (6): 709–717. doi:10.1086/691404. ISSN 0003-0147. PMID 28514631. S2CID 3923166.
Prinzinger, R; Siedle, K (1988). "Ontogeny of metabolism, thermoregulation and torpor in the house martin Delichon u. urbica (L.) and its ecological significance". Oecologia. 76 (2): 307–312. Bibcode:1988Oecol..76..307P. doi:10.1007/BF00379969. PMID 28312213. S2CID 52596.
Brown, C (1984). "Laying Eggs in a Neighbor's Nest: Benefit and Cost of Colonial Nesting in Swallows". Science. 224 (4648): 518–519. Bibcode:1984Sci...224..518B. doi:10.1126/science.224.4648.518. PMID 17753777. S2CID 21128259.

ncbi.nlm.nih.gov

Oliveros, C.H.; et al. (2019). "Earth history and the passerine superradiation". Proceedings of the National Academy of Sciences of the United States. 116 (16): 7916–7925. Bibcode:2019PNAS..116.7916O. doi:10.1073/pnas.1813206116. PMC 6475423. PMID 30936315.
Winkler, D. W.; Sheldon, F. H. (1993). "Evolution of nest construction in swallows (Hirundinidae): a molecular phylogenetic perspective". Proceedings of the National Academy of Sciences. 90 (12): 5705–5707. Bibcode:1993PNAS...90.5705W. doi:10.1073/pnas.90.12.5705. ISSN 0027-8424. PMC 46790. PMID 8516319.

orientalbirdclub.org (Global: low place; English: low place)

Tobias, Joe (2000). "Little known Oriental Bird: White-eyed River-Martin: 1". Oriental Bird Club Bulletin. 31.

researchgate.net (Global: 96^th place; English: 89^th place)

Alström, Per; Olsson, Urban; Lei, Fumin (2013). "A review of the recent advances in the systematics of the avian superfamily Sylvioidea". Chinese Birds. 4 (2): 99–131. Bibcode:2013AvRes...4...99A. doi:10.5122/cbirds.2013.0016.
Sheldon, Frederick H.; Whittingham, Linda A.; Moyle, Robert G.; Slikas, Beth; Winkler, David W. (April 2005). "Phylogeny of swallows (Aves: Hirundinidae) estimated from nuclear and mitochondrial DNA sequences". Molecular Phylogenetics and Evolution. 35 (1): 254–270. Bibcode:2005MolPE..35..254S. doi:10.1016/j.ympev.2004.11.008. PMID 15737595.
Saino, N; Galeotti, P; Sacchi, R; Møller, A (1997). "Song and immunological condition in male barn swallows (Hirundo rustica)". Behavioral Ecology. 8 (94): 364–371. doi:10.1093/beheco/8.4.364.

rspb.org.uk (Global: low place; English: 7,602^nd place)

"Swallow Bird Facts". RSPB. Retrieved 8 May 2024.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Tyrrell, Luke P.; Fernández-Juricic, Esteban (2017). "The hawk-eyed songbird: Retinal morphology, eye shape, and visual fields of an aerial insectivore". The American Naturalist. 189 (6): 709–717. doi:10.1086/691404. ISSN 0003-0147. PMID 28514631. S2CID 3923166.
Norberg, R. Ake (1994). "Swallow Tail Streamer is a Mechanical Device for Self Deflection of Tail Leading Edge, Enhancing Aerodynamic Efficiency and Flight Manoeuvrability". Proceedings of the Royal Society B. 257 (1350): 227–233. Bibcode:1994RSPSB.257..227N. doi:10.1098/rspb.1994.0119. S2CID 86592049.
Møller, Anders pape (1992). "Sexual selection in the monogamous barn swallow (Hirundo rustica). II. Mechanisms of sexual selection". Journal of Evolutionary Biology. 5 (4): 603–624. doi:10.1046/j.1420-9101.1992.5040603.x. S2CID 85260912.
Prinzinger, R; Siedle, K (1988). "Ontogeny of metabolism, thermoregulation and torpor in the house martin Delichon u. urbica (L.) and its ecological significance". Oecologia. 76 (2): 307–312. Bibcode:1988Oecol..76..307P. doi:10.1007/BF00379969. PMID 28312213. S2CID 52596.
Shields, William (1984). "Barn swallow mobbing: Self-defence, collateral kin defence, group defence, or parental care?". Animal Behaviour. 32 (1): 132–148. doi:10.1016/s0003-3472(84)80331-0. S2CID 53193659.
Brown, C (1984). "Laying Eggs in a Neighbor's Nest: Benefit and Cost of Colonial Nesting in Swallows". Science. 224 (4648): 518–519. Bibcode:1984Sci...224..518B. doi:10.1126/science.224.4648.518. PMID 17753777. S2CID 21128259.
Møller, Anders Pape (1987). "Advantages and disadvantages of coloniality in the swallow, Hirundo rustica". Animal Behaviour. 35 (3): 819–832. doi:10.1016/S0003-3472(87)80118-5. ISSN 0003-3472. S2CID 53185342.
Townsend, Jason; Esteban Garrido; Danilo A. Mejia (2008). "Nests and Nesting Behavior of Golden Swallow (Tachycineta euchrysea) in Abandoned Bauxite Mines in the Dominican Republic". Wilson Journal of Ornithology. 120 (4): 867–871. doi:10.1676/08-001.1. S2CID 85973776.

springer.com (Global: 182^nd place; English: 172^nd place)

link.springer.com

Volkova, N. V. (2024-08-28). "The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia". Doklady Biological Sciences. 518 (1): 261–265. doi:10.1134/S0012496624600258. ISSN 0012-4966. PMID 39212885.

unl.edu (Global: 1,697^th place; English: 926^th place)

digitalcommons.unl.edu

Brown, C; Brown, M (1986). "Ectoparasitism as a Cost of Coloniality in Cliff Swallows (Hirundo pyrrhonota)". Ecology. 67 (5): 1206–1218. Bibcode:1986Ecol...67.1206B. doi:10.2307/1938676. JSTOR 1938676.

unm.edu (Global: 1,919^th place; English: 1,213^th place)

sora.unm.edu

Gaunt, Abbot (1969). "Myology of the Leg in Swallows". Auk. 86 (1): 41–53. doi:10.2307/4083540. JSTOR 4083540.
Lariewski, Robert C.; Thompson, Henry J. (1965). "Field Observation of Torpidity in the Violet-Green Swallow" (PDF). Condor. 68 (1): 102–103. doi:10.2307/1365178. JSTOR 1365178.
McCarty, John P.; David W. Winkler (1999). "Foraging Ecology and Diet Selectivity of Tree Swallows Feeding Nestlings" (PDF). Condor. 101 (2): 246–254. doi:10.2307/1369987. JSTOR 1369987.
Snapp, B (1976). "Colonial Breeding in the Barn Swallow (Hirundo rustica) and Its Adaptive Significance" (PDF). The Condor. 78 (4): 471–480. doi:10.2307/1367096. JSTOR 1367096.

usgs.gov (Global: 119^th place; English: 145^th place)

npwrc.usgs.gov

In 1878, Dr. Elliott Coues, listed titles of 182 papers dealing with the hibernation of swallows ((USGS: Northern Prairie Wildlife Research Center) "Early ideas about migration" Archived 2008-08-27 at the Wayback Machine).
"Animal Congregations, or What Do You Call a Group of.....?". USGS.gov. Northern Prairie Wildlife Research Center. Archived from the original on 20 March 2015. Retrieved 13 September 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

In 1878, Dr. Elliott Coues, listed titles of 182 papers dealing with the hibernation of swallows ((USGS: Northern Prairie Wildlife Research Center) "Early ideas about migration" Archived 2008-08-27 at the Wayback Machine).
Bijlsma, R (2003). "A Barn Swallow Hirundo rustica roost under attack: timing and risks in the presence of African Hobbies Falco cuvieri" (PDF). Ardea. 93 (1): 37–48. Archived from the original (PDF) on 2008-10-31.
Hirundinidae Archived 2002-05-04 at the Wayback Machine. eeb.cornell.edu
Swallows (Hirundinidae) Archived 2009-01-29 at the Wayback Machine. Answers.com
"National symbols of Estonia". The Estonia Institute. Archived from the original on 9 November 2007. Retrieved 27 November 2007.
"Gallery of Barn Swallow stamps from Bird-Stamps.org". Archived from the original on 2020-06-09. Retrieved 2022-07-21.
The American Topical Association lists more than 1000 depictions of swallows and martins on postage stamps around the world. See Archived 2020-03-31 at the Wayback Machine
"Animal Congregations, or What Do You Call a Group of.....?". USGS.gov. Northern Prairie Wildlife Research Center. Archived from the original on 20 March 2015. Retrieved 13 September 2011.

wikibooks.org (Global: 7,048^th place; English: low place)

en.wikibooks.org

Wikibooks: World Catalogue of Stamps^{[permanent dead link]}

worldbirdnames.org (Global: 452^nd place; English: 844^th place)

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (February 2025). "Swallows". IOC World Bird List Version 15.1. International Ornithologists' Union. Retrieved 15 April 2025.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Winkler, D. W.; Sheldon, F. H. (1993). "Evolution of nest construction in swallows (Hirundinidae): a molecular phylogenetic perspective". Proceedings of the National Academy of Sciences. 90 (12): 5705–5707. Bibcode:1993PNAS...90.5705W. doi:10.1073/pnas.90.12.5705. ISSN 0027-8424. PMC 46790. PMID 8516319.
Volkova, N. V. (2024-08-28). "The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia". Doklady Biological Sciences. 518 (1): 261–265. doi:10.1134/S0012496624600258. ISSN 0012-4966. PMID 39212885.
Tyrrell, Luke P.; Fernández-Juricic, Esteban (2017). "The hawk-eyed songbird: Retinal morphology, eye shape, and visual fields of an aerial insectivore". The American Naturalist. 189 (6): 709–717. doi:10.1086/691404. ISSN 0003-0147. PMID 28514631. S2CID 3923166.
Møller, Anders Pape (1987). "Advantages and disadvantages of coloniality in the swallow, Hirundo rustica". Animal Behaviour. 35 (3): 819–832. doi:10.1016/S0003-3472(87)80118-5. ISSN 0003-3472. S2CID 53185342.

Swallow (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

americantopicalassn.org (Global: low place; English: low place)

amnh.org (Global: 454th place; English: 907th place)

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answers.com (Global: 2,156th place; English: 1,933rd place)

archive.org (Global: 6th place; English: 6th place)

biodiversitylibrary.org (Global: 168th place; English: 136th place)

birdlife.org (Global: 932nd place; English: 1,256th place)

datazone.birdlife.org

birdwatchireland.ie (Global: low place; English: low place)

books.google.com (Global: 3rd place; English: 3rd place)

cornell.edu (Global: 308th place; English: 253rd place)

eeb.cornell.edu

csiro.au (Global: 3,457th place; English: 2,432nd place)

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doi.org (Global: 2nd place; English: 2nd place)

einst.ee (Global: low place; English: low place)

hdl.handle.net (Global: 66th place; English: 34th place)

jstor.org (Global: 23rd place; English: 15th place)

korea.net (Global: 6,509th place; English: 5,909th place)

natuurinfo.nl (Global: low place; English: low place)

ardeajournal.natuurinfo.nl

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

orientalbirdclub.org (Global: low place; English: low place)

researchgate.net (Global: 96th place; English: 89th place)

rspb.org.uk (Global: low place; English: 7,602nd place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

springer.com (Global: 182nd place; English: 172nd place)

link.springer.com

unl.edu (Global: 1,697th place; English: 926th place)

digitalcommons.unl.edu

unm.edu (Global: 1,919th place; English: 1,213th place)

sora.unm.edu

usgs.gov (Global: 119th place; English: 145th place)

npwrc.usgs.gov

web.archive.org (Global: 1st place; English: 1st place)

wikibooks.org (Global: 7,048th place; English: low place)

en.wikibooks.org

worldbirdnames.org (Global: 452nd place; English: 844th place)

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

amnh.org (Global: 454^th place; English: 907^th place)

answers.com (Global: 2,156^th place; English: 1,933^rd place)

archive.org (Global: 6^th place; English: 6^th place)

biodiversitylibrary.org (Global: 168^th place; English: 136^th place)

birdlife.org (Global: 932^nd place; English: 1,256^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

cornell.edu (Global: 308^th place; English: 253^rd place)

csiro.au (Global: 3,457^th place; English: 2,432^nd place)

doi.org (Global: 2^nd place; English: 2^nd place)

hdl.handle.net (Global: 66^th place; English: 34^th place)

jstor.org (Global: 23^rd place; English: 15^th place)

korea.net (Global: 6,509^th place; English: 5,909^th place)

nih.gov (Global: 5^th place; English: 5^th place)

researchgate.net (Global: 96^th place; English: 89^th place)

rspb.org.uk (Global: low place; English: 7,602^nd place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

springer.com (Global: 182^nd place; English: 172^nd place)

unl.edu (Global: 1,697^th place; English: 926^th place)

unm.edu (Global: 1,919^th place; English: 1,213^th place)

usgs.gov (Global: 119^th place; English: 145^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wikibooks.org (Global: 7,048^th place; English: low place)

worldbirdnames.org (Global: 452^nd place; English: 844^th place)

worldcat.org (Global: 4^th place; English: 4^th place)