insider.si.edu

Life histories of North American gallinaceous birds; orders Galliformes and Columbiformes, by Arthur Cleveland Bent ..

Birds--Behavior Pigeons Birds Columbiformes Physical description xi, 490 p. illus. 24 cm ...
insider.si.edu

Podicipediformes, Phoenicopteriformes, Mesitornithiformes, Pterocliformes, Columbiformes : an annotated checklist / eine kommentierte liste / Norbert Bahr

"Internet pages of the project: "The bird species / Die Vogelarten" : English homepage / Internetseite in Englisch www.thebirdspecies.com. German homepage / Internetseite in Deutsch ...