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Huber S. K. Effects of the introduced parasite Philornis downsi on nestling growth and mortality in the medium
ground finch (Geospiza fortis) (англ.) // Biological conservation : journal. — 2008. — Vol. 141. — P. 601—609. — ISSN0006-3207. — doi:10.1016/j.biocon.2007.11.012.
McNew S. M. & Clayton D. H. Alien Invasion: Biology of Philornis Flies Highlighting Philornis downsi, an Introduced Parasite of Galapagos Birds (англ.) // Annual Review of Entomology : journal. — 2018. — Vol. 63. — P. 369—387. — ISSN0066-4170. — doi:10.1146/annurev-ento-020117-043103.
Huber S. K. Effects of the introduced parasite Philornis downsi on nestling growth and mortality in the medium
ground finch (Geospiza fortis) (англ.) // Biological conservation : journal. — 2008. — Vol. 141. — P. 601—609. — ISSN0006-3207. — doi:10.1016/j.biocon.2007.11.012.