Socorro Island – Wikipedia, the free encyclopedia
The native land fauna is depauperate, with birds predominating and mammals … Yellow-crowned Night Heron, Nycticorax violaceus gravirostris (or Nyctanassa violacea gravirostris) Socorro …
en.wikipedia.org/wiki/Socorro_Island

Predation by Feral Cats on Birds at Isla Socorro, Mexico
Eight endemic taxa of land birds now breed on Socorro: Yellow-crowned Night Heron, Nyctanassa violacea gravirostris; Socorro Red-tailed Hawk, Buteo jamaicensis socorronensis;
elibrary.unm.edu/sora/wb/v22n03/p0141-p0143.pdf

Species of Birds Recorded in San Diego County
… Diego Natural History Museum’s Department of Birds … V: Yellow-crowned Night Heron: Nyctanassa violacea bancrofti … albolarvatus gravirostris ** Northern Flicker: Colaptes auratus
www.sdnhm.org/research/birds/sdbirds.html

The Avifauna of the Revillagigedo Islands, Mexico: Additional Data and …
Birds 34~234-241. THORPE, W. H. 1963. Learning and instinct in animals, 2nd ed … We also failed to find the Socorro Yellow-crowned Night-Heron (Nyctanassa violacea gravirostris) and the …
elibrary.unm.edu/sora/Wilson/v103n04/p0668-p0675.pdf

Wikipedia search result
The native land fauna is depauperate, with birds predominating and mammals … Yellow-crowned Night Heron, Nycticorax violaceus gravirostris (or Nyctanassa violacea gravirostris) …
allrss.com/wikipedia.php?title=Socorro_Island

Gulkronet Nathejre
Nyctanassa violacea gravirostris: Socorro: Nyctanassa violacea caliginis: Panama til Peru (stort … Udbredelseskort og Gulkronet Nathejre pÃ¥ frimærker: http://www.bird …
olehnielsen.dk/hejresiden/gulkronetnathejre.html

Species and Subspecies of San Diego County Birds Jan 2008
Species and Subspecies of San Diego County Birds This … Yellow-crowned Night-Heron Nyctanassa violacea bancrofti B SDNHM Family … White-headed Woodpecker Picoides albolarvatus gravirostris B …
https://www.sdnhm.org/research/birdatlas_draft/images/appendix_1.pdf

www.rosssilcock.com
… involved, including South Asian and Australian birds … Nyctanassa violacea Yellow-crowned Night-Heron N. v. pauper Res … N. v. bancrofti (incl gravirostris) Res Revillagigedo Is …
www.rosssilcock.com/6.htm

WETLANDS INTERNATIONAL 2006
… European Russia) 119,000-149,000 pairs (357,000-447,000 individuals). sinensis, SW Asia (non-bre) SE Europe, West & Central Asia SW & Central Asia, Caspian XX 100,000 P10 1,000Includes birds …
www.bio-nica.info/Biblioteca/Delany2006-3.pdf

Data table
… Australia, New Zealand: Australia, some S Island New Zealand : X : C/D: J4 F7: FLU: J4 : Thought to have colonised NZ following exceptionally wet years in Australia; now few birds occur …
www.bio-nica.info/Biblioteca/Delany2006-3+4.xls

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