- swallow-tailed gull (
Creagrus furcatus) is an
equatorial seabird in the gull family, Laridae. It is the only
species in the
genus Creagrus,
which derives from...
- "Wild
Turkey a
Calif native".
creagrus.home.montereybay.com.
Retrieved 2021-02-26. "Wild
Turkey a
Calif native".
creagrus.home.montereybay.com. Retrieved...
-
Pagophila Kaup, 1829
Ivory gull
Pagophila eburnea Xema Leach, 1819 Sabine's gull Xema
sabini Creagrus Bonaparte, 1854 Swallow-tailed gull
Creagrus furcatus...
- (5 species)
Genus Gygis (white tern)
Genus Rynchops (3 species)
Genus Creagrus (swallow-tailed gull)
Genus Rissa (kittiwakes) (2 species)
Genus Pagophila...
-
Publishing Ltd. pp. 2–11. ISBN 0-85613-380-9. "Pteroclidae Sandgrouse".
Creagrus: Bird
Families of the World.
Retrieved 2012-05-30. "Pterocles
namaqua (Namaqua...
- 200–201. ISBN 1-85391-186-0. Roberson, Don (9
March 2012). "Monarchs".
creagrus.home.montereybay.com.
Retrieved 5
April 2021. Sibley,
Charles Gald & Ahlquist...
-
Dromadidae Dromas Glareolidae Laridae Anous Chlidonias Chroicocephalus Creagrus †Feducciavis †Gaviota
Gelochelidon Gygis Hydrocoloeus Hydroprogne Ichthyaetus...
- year
after year". SFGate.
Retrieved 2019-01-18. "Recent MTY rarities".
creagrus.home.montereybay.com.
Retrieved 2019-01-18. "Audubon
Society s****s to place...
-
Dromadidae Dromas Glareolidae Laridae Anous Chlidonias Chroicocephalus Creagrus †Feducciavis †Gaviota
Gelochelidon Gygis Hydrocoloeus Hydroprogne Ichthyaetus...
-
Cornell Lab of Ornithology, Ithaca, NY, USA. "Lead-Warblers Phylloscopidae".
creagrus.home.montereybay.com. 25 May 2006.
Retrieved 2017-09-29. Mayr, Ernst; Cottrell...