The Andes of southern South America form a hostile mountain range with glaciers, salty deserts and meagre high elevation steppes. Birds from more moderate climate zones cross this mountain range only rarely. Nevertheless, ...
Plants & Animals
Jul 13, 2011
0
0
Capturing birds using mist nets to study behaviour, movement or the demographics of a species is one of the most common research techniques in ornithology, yet until now there have been no large scale studies into the risks ...
Ecology
Jun 30, 2011
0
0
An endangered Florida bird may have some unexpected help in its struggle for survival, according to a new University of Florida study.
Ecology
Jun 24, 2011
0
0
(PhysOrg.com) -- The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behaviour could be linked to the size of their song repertoires. ...
Plants & Animals
Jun 13, 2011
0
0
(PhysOrg.com) -- The use of different resources by males and females exacerbates the estimation of population sizes. However, the monitoring of population sizes, particularly for rare and threatened species, is pivotal to ...
Plants & Animals
Mar 24, 2011
0
0
A puzzling example of altruism in nature has been debunked with researchers showing that purple-crowned fairy wrens are in reality cunningly planning for their own future when they assist in raising other birds' young by ...
Plants & Animals
Mar 18, 2011
4
0
(PhysOrg.com) -- Some animals produce more offspring than others do. Hormones like prolactin and corticosterone can exercise a crucial influence on the behaviour of birds in the breeding season and therefore on their reproductive ...
Plants & Animals
Jan 25, 2011
0
0
(PhysOrg.com) -- When we are asleep, those regions of our brain that were particularly active during wakefulness sleep more deeply. Researchers at the Max Planck Institute for Ornithology in Seewiesen, Germany and colleagues ...
Plants & Animals
Jan 12, 2011
0
0
Large birds, such as storks, save energy on the flight to their wintering grounds by soaring through the air on thermal currents. Until now, however, we knew nothing about the flight patterns of small migrating songbirds, ...
Plants & Animals
Dec 8, 2010
2
0
In today's increasingly urbanized world, the lights in many places are always on, and according to a report published online on September 16 in of Current Biology, a Cell Press publication, that's having a real impact on ...
Ecology
Sep 16, 2010
0
2
