Results 31 to 40 of about 137,387 (310)
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
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
Pigeons home faster through polluted air. [PDF]
Air pollution, especially haze pollution, is creating health issues for both humans and other animals. However, remarkably little is known about how animals behaviourally respond to air pollution.
Blumstein, Daniel T +2 more
core +1 more source
High prevalence of Sarcocystis calchasi in racing pigeon flocks in Germany [PDF]
The apicomplexan parasite Sarcocystis calchasi (Coccidia: Eimeriorina: Sarcocystidae) is the causative agent of Pigeon Protozoal Encephalitis (PPE) and infects birds of the orders Columbiformes, Piciformes and Psittaciformes.
Failing, Klaus +4 more
core +1 more source
Survey of parasites in domestic pigeons (Columba livia) in Tripoli, Libya
This study was a preliminary survey for identification of parasites (endoparasites and ectoparasites) and their prevalence in domestic pigeons (Columba livia) in Tripoli; Libya.
Ferial A. Alkharigy +2 more
semanticscholar +1 more source
The brain of homing pigeons seems to be functionally adapted to homing with e.g. larger hippocampi and olfactory bulbs. Furthermore, functional lateralization occurs as well in homing pigeons.
Julia Mehlhorn, Gerd Rehkämper
doaj +1 more source
Immune pathogenesis in pigeons during experimental Prohemistomum vivax infection
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
The magnetite-based receptors in the beak of birds and their role in avian navigation [PDF]
Iron-rich structures have been described in the beak of homing pigeons, chickens and several species of migratory birds and interpreted as magnetoreceptors.
Wiltschko, Roswitha, Wiltschko, Wolfgang
core +1 more source
Effect of formaldehyde and urea contaminated feed exposure into the liver of young and adult pigeons (Columba livia) [PDF]
Background and Aim: Nowadays, toxic chemical contaminants in food are a major food safety problem in Bangladesh. Among toxic food contaminants, formalin is used to preserve fruit, vegetables, and fish, where urea is used for the whitening of rice and ...
Imam Hasan +4 more
doaj +1 more source
Reciprocal relationships in collective flights of homing pigeons [PDF]
Collective motion of bird flocks can be explained via the hypothesis of many wrongs, and/or, a structured leadership mechanism. In pigeons, previous studies have shown that there is a well-defined hierarchical structure and certain specific individuals ...
D. J. T. Sumpter +6 more
core +2 more sources

