Introduction of a foreign species Hunting Pollution Disease Loss of genetic variation Human actions have played a huge role in species extinction in more recent history, but they’re not the only culprit. Of the 99 percent of species that have gone extinct on the planet, most of these extinct...
The slopes of the measured increment-threshold functions were systematically different for the three species—the function for the rat is accurately described by Weber's law while the functions for the squirrels are significantly lower in slope....
South African Journal of ZoologyVILJOEN, s. 1985. Comparative thermoregulatory adaptations of Southern African tree squirrels from four different habitats. S. AIr. J. Zool. 20: 28 - 32.Viljoen S (1985) Comparative thermoregulatory adaptations of southern African tree squirrels from four different ...
A threatened species native to limestone soils of Serbia, Bosnia, and Herzegovina, Serbian Spruce is one of the tallest spruces. This highly adaptable, drought-tolerant variety has a slender trunk which gives them a penciled appearance. The needles are glossy dark green with white lines, while...
of domesticated species to respond to alarm signals from wild individuals. Using sound playback experiments, we assessed the behavioral responses of free-range domestic chickens (Gallus gallus domesticus) in Hainan to alarm calls (test playback) and songs (control playback) of wild Japanese tits ...
(RCPs). The resulting models underscore the congruence of predicted species-rich areas with established biodiversity hotspots, and highlight the influence of precipitation on amphibian distribution. Notably, the study reveals potential shifts in biodiversity importance of different areas across the ...
Very few animal species see humans as prey. Being at the top of the food chain definitely has its advantages! However, like with many good things, there are downsides as well. Most animals are deeply and instinctively afraid of humans. For wildlife photography, that can be quite a challenge...
African okapi, antelopes and capybara, the giant rodent of South America. The boar like tapirs also inhabit the Amazonian rain forest. The hunting carnivorous include the mighty and ferocious Asian tigers with the Royal Bengal, the largest species roaming in the coastal jungle bordering India and ...
Adoption, the act of taking another individual’s offspring and treating it as one’s own, is rare but widely observed in various mammal species and may increase the survival of adoptees. Adoption may also benefit adoptive mothers, for example they might care for close kin to gain indirect fi...
Falcons can be found all over the world inmany different habitats. They reside in all habitats, including wetlands, grasslands, mountains, estuaries, forests, scrublands, taiga, and even the desert and the Arctic tundra. Some species of falcons flourish in urban settings, such as parks, farms...