Черна американска потапница (Bulgarian Wikipedia)

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

refsWebsite

Global rank Bulgarian rank

low place

low place

1iucnredlist.org

88^th place

4^th place

low place

low place

2,179^th place

1,824^th place

1sdakotabirds.com

low place

low place

1alaskasealife.org

low place

low place

low place

low place

167^th place

188^th place

1acaliforniabird.com

low place

low place

1allaboutbirds.org

6,096^th place

low place

882^nd place

1,123^rd place

acaliforniabird.com

((en)) A California Bird/Surf Scoter (Melanitta perspicillata)^{[неработеща препратка]}

alaskasealife.org

((en)) Surf scoter

allaboutbirds.org

((en)) The Cornell Lab of Ornithology/Surf Scoter

birdlife.org

((en)) BirdLife/Surf Scoter - Melanitta perspicillata

enature.com

((en)) eNature.com/Surf Scoter^{[неработеща препратка]}

epa.gov

((en)) Atlantic Ecology Division (AED)/Narragansett Bay Winter Waterfowl - Surf scoter (Melanitta perspicillata)

iucnredlist.org

apiv3.iucnredlist.org

Melanitta perspicillata (Linnaeus, 1758). // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 27 декември 2021 г. (на английски)

sdakotabirds.com

((en)) South Dakota Birds and Birding/Surf scoter

seaduckjv.org

((en)) Sea Duck Information Series/Surf scoter (Melanitta perspicillata)/October 2004^{[неработеща препратка]}

usgs.gov

mbr-pwrc.usgs.gov

((en)) USGS/Surf scoter Melanitta perspicillata

wikipedia.org

en.wikipedia.org