As a naked, blind hatchling transforms into a feathered juvenile, the young altricial bird approaches a pivotal event in its life leaving the nest. Departure from the nest and then from parental care...
Category: Wild Birds
How Birds Survive Extreme Heat And Cold? Know About Their Torpor Habits
Thermoregulation is the capacity of an organism to keep its body temperature within a moderate range, one that is usually different from that of the surrounding environment. Birds and mammals are the...
How Do Birds Know Where to migrate? How Birds Navigate By Magnetic Fields During Long Migration?
How birds find their way year after year from one part of the world to another is one of the most enduring mysteries of bird migration. It is not just a question of finding the way, for birds must...
Most birds that travel by flapping flight can migrate over small areas of an inhospitable habitat that they can cross in a few hours. The difficulties come mainly on longer journeys that require more...
Do Birds Collapse During Migration? Do Birds Travel At Night?
It will be evident by now that body size sets constraints on migration in birds. With increasing body mass, costs of flapping flight increase, as do flight efficiency (energy cost per unit weight)...
The main advantage of flight, as a means of locomotion, is its speed, which is much faster than the alternatives of swimming, walking, or running. Whether by flapping or gliding, flight facilitates...