Results 21 to 30 of about 15,424 (242)
Osteological characters for the identification of Caribbean columbids
Novitates Caribaea, 2021 Columbid remains are commonly recovered from Caribbean archaeological and paleontological sites. Identifying specimens to species level is therefore likely to yield a wealth of information concerning species diversity and changes in their distribution ...
Monica Gala +2 more
doaj +1 more source
Journal of the Experimental Analysis of Behavior, 2010 A recent theory of pigeons' equivalence‐class formation (Urcuioli, 2008) predicts that reflexivity, an untrained ability to match a stimulus to itself, should be observed after training on two “mirror‐image” symbolic successive matching tasks plus identity successive matching using some of the symbolic matching stimuli. One group of pigeons was trained
Sweeney, Mary M, Urcuioli, Peter J
openaire +3 more sources
Reward context determines risky choice in pigeons and humans [PDF]
, 2014 Whereas humans are risk averse for monetary gains, other animals can be risk seeking for food rewards, especially when faced with variable delays or under significant deprivation.
Elliot A. Ludvig (350444) +9 more
core +1 more source
Molecular Detection of Herpesvirus, Adenovirus, and Circovirus and Their Associated Histopathological Lesions in the Pigeons of Mashhad, Iran [PDF]
Archives of Razi InstitutePigeon racing is a popular sport where trained pigeons compete against each other in flying competitions. Furthermore, pigeons serve as laboratory specimens for scientific research and experiments.
Omid BehrouziNasab +4 more
doaj +1 more source
i-Perception, 2020 Depth information is necessary for perceiving the real size of objects at varying visual distances. To investigate to what extent this size constancy present in another vertebrate class, we addressed the two questions using pigeons: (a) whether pigeons ...
Yuya Hataji +2 more
doaj +1 more source
Tracking homing pigeons by GPS [PDF]
, 2005 The present thesis utilises recently developed miniature GPS loggers to track homing pigeons (Columba livia) navigating within their familiar area. This technology allows tracks of extremely high spatial and temporal resolution to be recorded providing a
Meade, Jessica., Meade, Jessica
core +1 more source
On the epidemiology, biology and food-dependent reproduction of the feral pigeon (Columba livia) [PDF]
, 2015 Millions of feral pigeons (Columba livia, Gmelin 1789) live in close association with the human population in our cities. They have managed to adapt extremely well to city life.
Boxler, Birte
core +1 more source
EDIS, 2018 The pigeons or rock doves (Columba livia) found in North America are the feral offspring of pigeons brought to this continent by European immigrants. Pigeons are domesticated animals raised for sport racing, show and for food (squab).
William Kern
doaj +1 more source
Frontiers in Veterinary Science, 2021 The hematological and serum biochemical alterations following very virulent infectious bursal disease virus (IBDV) infection in pigeons and chickens were evaluated in this study. Sixty IBDV seronegative birds comprising 30 (3–6 weeks old) pigeons and 30 (
Ochuko Orakpoghenor +8 more
doaj +1 more source
Immune pathogenesis in pigeons during experimental Prohemistomum vivax infection
Frontiers in Veterinary Science, 2022 Prohemistomum vivax is a small trematode belonging to the family Cyathocotylidae, infecting fish-eating birds and mammals, including humans. However, no data on molecular identification and immune pathogenesis are available, challenging effective ...
Asmaa M. I. Abuzeid +6 more
doaj +1 more source