Resting Behaviour of Parrots Loriculus galgulus
نویسندگان
چکیده
منابع مشابه
Oxidative stress, activity behaviour and body mass in captive parrots
Many parrot species are kept in captivity for conservation, but often show poor reproduction, health and survival. These traits are known to be influenced by oxidative stress, the imbalance between the production of reactive oxygen species (ROS) and ability of antioxidant defences to ameliorate ROS damage. In humans, oxidative stress is linked with obesity, lack of exercise and poor nutrition, ...
متن کاملDevelopment of the skeleton and feathers of dusky parrots (Pionus fuscus) in relation to their behaviour.
A clutch of five dusky parrots (Pionus fuscus) was observed from hatching to fully grown. They were examined radiographically from 16 to 45 days of age, a few days before the cessation of bone growth, and the development of their feathers and their behaviour were also studied. It was observed that when growing birds were removed from the nest and placed singly on a flat surface they would stand...
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Acute pancreatitis was diagnosed in three parrots. Antemortem diagnosis of pancreatitis in the avian patient is rarely documented, and should be suspected in birds showing clinical signs attributable to abdominal pain or gastro-intestinal dysfunction. However, not all birds with confirmed pancreatitis display these signs. A serum amylase level greater than 1,500 U/L is suggestive of pancreatiti...
متن کاملFluorescent signaling in parrots.
Fluorescent pigments appear to glow because ultraviolet (UV) light is absorbed and reemitted at longer wavelengths. Humans use fluorescence as a highlighter, but it remains a mystery whether naturally occurring fluorescence functions as a signal or is a by-product of pigment structure. Here, we test for evidence of signaling using the fluorescent plumage of parrots (1). We performed mate choice...
متن کاملCognitive and Communicative Abilities of Grey Parrots
Grey parrots (Psittacus erithacus) solve various cognitive tasks and acquire and use English speech in ways that often resemble those of very young children. Given that the psittacine brain is organized very differently from that of mammals, these results have intriguing implications for the study and evolution of vocal learning, communication, and cognition. For 25 years, I have taught Grey pa...
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ژورنال
عنوان ژورنال: Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
سال: 2014
ISSN: 1211-8516,1211-8516
DOI: 10.11118/actaun201462010017