And then there are grey walls on which have been recorded excerpts from the writings of 19th Century naturalists and hunters, describing the almost unbelievable size of Ectopistes migratorius flocks.    From Wordnik.com.  ["There's a shark-shaped fin, in the water of my dreams..."] Reference

"Zugunruhe" is devoted to the passenger pigeon (Ectopistes migratorius), a bird that once inhabited North America in almost unimaginable numbers, but was wiped out during the 1800's by hunting and deforestation.    From Wordnik.com.  ["There's a shark-shaped fin, in the water of my dreams..."] Reference

The passenger-pigeon (Ectopistes migratorius) is, or rather was, excessively abundant in a certain area in North America, and its enormous migrating flocks darkening the sky for hours have often been described; yet this bird lays only two eggs.    From Wordnik.com.  [Darwinism (1889)] Reference

Ectopistes, which are nearly allied to each other, one should have fourteen tail-feathers, while the other, the passenger pigeon of North America, should possess but the usual number -- twelve. ".    From Wordnik.com.  [The Variation of Animals and Plants Under Domestication, Vol. I.] Reference

Pigeon, passenger (Ectopistes migratorius).    From Wordnik.com.  [Winter Sunshine] Reference