Пръстенчатоклюна потапница (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Пръстенчатоклюна потапница" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

2,179^th place

1,824^th place

2web.archive.org

1^st place

1^st place

1iucnredlist.org

88^th place

4^th place

167^th place

188^th place

2,925^th place

308^th place

1senescence.info

low place

low place

low place

low place

1birdguides.com

low place

low place

1naturespot.org.uk

low place

low place

1sdakotabirds.com

low place

low place

birdguides.com

((en)) Bird Guides/Ring-necked Duck (Aythya collaris) Архив на оригинала от 2012-10-14 в Wayback Machine.

birdlife.org

enature.com

((en)) eNature.com/Ring-necked Duck Aythya collaris Архив на оригинала от 2013-12-03 в Wayback Machine.

eol.org

((en)) EOL, Encyclopedia of Life/Ring-necked Duck Aythya collaris

iucnredlist.org

apiv3.iucnredlist.org

Aythya collaris (Donovan, 1809). // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 27 декември 2021 г. (на английски)

naturespot.org.uk

((en)) NatureSpot/Ring-necked Duck – Aythya collaris

sdakotabirds.com

((en)) South Dakota Birds and Birding/Ring-necked Duck

senescence.info

genomics.senescence.info

((en)) HAGR/The Animal Againg and and Longevity Database/Aythya collaris

usgs.gov

mbr-pwrc.usgs.gov

((en)) USGS/Ring-necked Duck – Aythya collaris

web.archive.org

((en)) eNature.com/Ring-necked Duck Aythya collaris Архив на оригинала от 2013-12-03 в Wayback Machine.
((en)) Bird Guides/Ring-necked Duck (Aythya collaris) Архив на оригинала от 2012-10-14 в Wayback Machine.