The general concept says that birds are almost devoid of olfaction. Anyway, our weak noses would make them shame. But recent researches have showed it's not like that. New World vultures and condors have a smell that would compete with that of the dogs. Experiments made on newly-hatched chickens showed that the little birds could smell water containing a bitter chemical, even ignoring color clues. It seems that birds rather smell a toxic insect than are aware of its warning colors. It ...
The device, developed by a group of French researchers, can chew up hard foodstuffs and reproduce all processes that take place inside the human mouth while eating, including the release of saliva and
Today, only bats, birds and insects can fly. But birds detain the most records of animal flight, from speed to height. Some traits in bird anatomy represent their secret.1. Feathers evolved first for ensuring a body insulation and maintaining homeothermy (constant body temperature). Feathers can also make a "camouflage coat" and "breeding suit". Feathers adorn exclusively the birds nowadays. Once, some dinosaurs (from whose group birds evolved) had them as well. The aerodynamic shape of ...
In mating rituals of many birds, the male has to offer a food item (like a fish in kingfishers, an insect in the case of bee-eaters or a fruit in the case of hornbills) or a nest building material ite