Results 111 to 120 of about 789 (145)
Some of the next articles are maybe not open access.
Morphology of the Larynx of Corvus brachyrhynchos (Passeriformes: Corvidae)
1978(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +1 more source
Avian Diseases, 2001
The purpose of this series of pilot studies was to determine whether the passerine species studied are susceptible to infection with Mycobacterium bovis. Separate experiments were conducted on wild-caught starlings (Sturnus vulgaris) and American crows (Corvus brachyrhynchos).
K L, Butler +5 more
openaire +2 more sources
The purpose of this series of pilot studies was to determine whether the passerine species studied are susceptible to infection with Mycobacterium bovis. Separate experiments were conducted on wild-caught starlings (Sturnus vulgaris) and American crows (Corvus brachyrhynchos).
K L, Butler +5 more
openaire +2 more sources
The American Naturalist, 2010
The idea that extrapair paternity (EPP) in birds is part of a mixed reproductive strategy driven primarily by females is controversial. In cooperatively breeding American crows, we compared predictions of four female benefits hypotheses-the genetic diversity, good genes, genetic compatibility, and direct benefits hypotheses-to our predictions if EPP ...
Andrea K, Townsend +2 more
openaire +2 more sources
The idea that extrapair paternity (EPP) in birds is part of a mixed reproductive strategy driven primarily by females is controversial. In cooperatively breeding American crows, we compared predictions of four female benefits hypotheses-the genetic diversity, good genes, genetic compatibility, and direct benefits hypotheses-to our predictions if EPP ...
Andrea K, Townsend +2 more
openaire +2 more sources
Systematic Parasitology, 1980
Chandlerella chitwoodae Anderson, 1961 (prevalence 65%), Splendidofilaria caperata Hibler, 1964 (21%), Eufilaria longicaudata Hibler, 1964 (15.5%), C. quiscali (von Linstow, 1904) Robinson, 1971 (1.9%), Cardiofilaria pavlovskyi Strom, 1937 (0.4%) and Splendidofilaria wehri (0.3%) were found in crows (Corvus brachyrhynchos brachyrhynchos Brehm ...
Cheryl M. Bartlett, Roy C. Anderson
openaire +1 more source
Chandlerella chitwoodae Anderson, 1961 (prevalence 65%), Splendidofilaria caperata Hibler, 1964 (21%), Eufilaria longicaudata Hibler, 1964 (15.5%), C. quiscali (von Linstow, 1904) Robinson, 1971 (1.9%), Cardiofilaria pavlovskyi Strom, 1937 (0.4%) and Splendidofilaria wehri (0.3%) were found in crows (Corvus brachyrhynchos brachyrhynchos Brehm ...
Cheryl M. Bartlett, Roy C. Anderson
openaire +1 more source
Behaviour, 1982
AbstractThe American common crow (Corvus brachyrhynchos) has a complex communication system in which the meaning of its sound units ("caws") is determined in part by the temporal format in which they are uttered. Among the subsystems of the crow's communication is "ordinary" or "structured" cawing, in which the caws are uttered in sequences of similar ...
openaire +1 more source
AbstractThe American common crow (Corvus brachyrhynchos) has a complex communication system in which the meaning of its sound units ("caws") is determined in part by the temporal format in which they are uttered. Among the subsystems of the crow's communication is "ordinary" or "structured" cawing, in which the caws are uttered in sequences of similar ...
openaire +1 more source
American Crow (Corvus brachyrhynchos)
The Birds of North America Online, 2002N. A. Verbeek, C. Caffrey
openaire +1 more source
The Role of Song and Vocal Imitation among Common Crows (Corvus brachyrhynchos)
Zeitschrift für Tierpsychologie, 1985Abstract and SummaryThe song of the common crow (Corvus brachyrhynchos) is examined as an intragroup bonding mechanism. The song repertoires of 3 social groups (4 tame siblings, 2 tame individuals, and one wild family of 6 birds) were studied over a 2½–year period.
openaire +1 more source
Some Parasites of the Eastern Crow (Corvus brachyrhynchos brachyrhynchos Brehm)
Bird-Banding, 1941B. B. Morgan, E. F. Waller
openaire +1 more source
Fishing by the Common Crow (Corvus brachyrhynchos)
The Auk, 1953Hulse, David C., Atkeson, Thomas Z.
openaire +1 more source