Results 71 to 80 of about 4,352 (102)
Helminth parasites of the common (North American) crow (Corvus brachyrhynochos Brehm, 1822) in insular Newfoundland [PDF]
, 1974 Ninety-nine crows (Corvus brachyrhynchos Brehm, 1822) including 37 adult males, 18 adult females, 4 adults of unknown sex, and 40 immatures were examined from twelve localities in Newfoundland. Ninety-eight percent of the crows were infected.
Andrews, Sidney Edward
core +1 more source
, 2014 Mass bird mortality has been observed in North America after the introduction of West Nile virus (WNV), most notably massive die-offs of American crows (Corvus brachyrhynchos).
Amerongen, Geert +6 more
core +2 more sources
Crucirostra brachyrhynchos C. L. Brehm
, 2013 <i>Crucirostra brachyrhynchos</i> C.L. Brehm <p> <i>Crucirostra brachyrhynchos</i> C.L. Brehm, 1853: 185 (Er besucht nur zuweilen, wie im Winter 1818/ 19, die hiesige Gegend…).</p> <p> Now <i> ...
LeCroy, Mary
core +1 more source
Nucifraga brachyrhynchos C. L. Brehm
, 2014 Nucifraga brachyrhynchos C.L. Brehm Nucifraga brachyrhynchos C.L. Brehm, 1823: 105, 106 (Scheint das nordöstliche Europa zu bewohnen und sich selten nach Deutschland zu verirren). Now Nucifraga caryocatactes caryocatactes (Linnaeus, 1758).
Lecroy, Mary
core +1 more source
Pyrgita brachyrhynchos C. L. Brehm
, 2014 <i>Pyrgita brachyrhynchos</i> C.L. Brehm <p> <i>Pyrgita brachyrhynchos</i> C.L. Brehm, 1842: col. 890 (Diese Subspecies lebt in Dalmatien und Kärnthen).</p> <p> Now <i>Passer domesticus domesticus ...
Lecroy, Mary
core +1 more source
The ontogenesis of innovative tool use in an American crow (Corvus brachyrhynchos).
, 2004 The genus Corvus (crows, ravens, rooks and jackdaws) is distinguished among avian tool users by the sheer quantity and diversity of their tool use acts. However, almost nothing is known about how these behaviors develop.
Cole, Patricia D.
core +1 more source
Crows (Corvus brachyrhynchos) were experimentally infected with Diplotriaena tricuspis (50 to 530 larvae/bird) and killed at intervals from 4 to 291 days afterwards.
core +1 more source
Preroosting aggregations in the American crow, Corvus brachyrhynchos
, 1998 : Preroosting aggregations (PRAs), or site-specific gatherings of individuals made prior to flying into a night roost, are frequently associated with avian roosting behavior.
Jeffrey E. Moore +3 more
core
, 2018 American Crows are familiar over much of the continent: large, intelligent, all-black birds with hoarse, cawing voices. They are common sights in treetops, fields, and roadsides, and in habitats ranging from open woods and empty beaches to town ...
Pearsall, Peter, USFWS
core
Nocturnal Behavior of Communally Roosting American Crows (Corvus brachyrhynchos)
During the winter months in Charleston, Illinois, thousands of American crows (Corvus brachyrhynchos) gather together each night to roost. While aspects of this impressive sight have been studied elsewhere, there is very limited information on how crows ...
Mrowiec, Caitlin M
core