Results 101 to 110 of about 7,257 (176)

Ravens (Corvus corax) are indifferent to the gains of conspecific recipients or human partners in experimental tasks. [PDF]

Anim Cogn, 2013
Di Lascio F, Nyffeler F, Bshary R, Bugnyar T.   +3 more
europepmc   +1 more source

Editorial: vocal communication in corvids. [PDF]

Anim Cogn
Wascher CAF, Dufour V.
europepmc   +1 more source

Principles underlying bird numbers in Scottish woodlands [PDF]

, 1986
Newton, I.
core  

Developmental stages of <i>Sarcocystis</i> spp. in wild birds from Southeastern Brazil, with a review of Accipitriformes-associated species. [PDF]

Braz J Vet Med
Ortúzar-Ferreira CN, Gredilha-Duarte R, Cid GC, Berto BP, Lopes CWG.   +4 more
europepmc   +1 more source

Monitoring common birds in the Balearic Islands (SAC) 2006/07 [PDF]

, 2006
Mayol, J.
core  

Syringophilid mites parasitising the crows and the competitive exclusion principle. [PDF]

Sci Rep
Skoracki M, Haarder S, Unsoeld M, Nielsen ÓK, Hromada M, Sikora B.   +5 more
europepmc   +1 more source

Commentary: The use of referential gestures in ravens (Corvus corax) in the wild [PDF]

Frontiers in Ecology and Evolution, 2015
openaire   +2 more sources

Molecular Confirmation of Raptors from Spain as Definitive Hosts of Numerous <i>Sarcocystis</i> Species. [PDF]

Animals (Basel)
Juozaitytė-Ngugu E, Švažas S, Bea A, Šneideris D, Villanúa D, Butkauskas D, Prakas P.   +6 more
europepmc   +1 more source

Enhanced social learning between siblings in common ravens, <i>Corvus corax</i>. [PDF]

Anim Behav, 2008
Schwab C, Bugnyar T, Schloegl C, Kotrschal K.   +3 more
europepmc   +1 more source

Tracking the evolutionary origins of dog-human cooperation: the “Canine Cooperation Hypothesis” [PDF]

, 2015
Friederike Range, Zsófia Virányi
core   +1 more source