Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...
The largest is the nine-foot-tall ostrich. The smallest is the ... or breastbone. The tail feathers are used for steering. Birds have a unique digestive system that allows them to eat when they ...
Emus are diurnal, meaning they are most active during the day. They are generally docile, but can occasionally fight among themselves ...
Most even have special feathers on their wings, so they can fly. Those birds that don't fly, have other ways to get around. The ostrich can't fly. Instead it has long powerful legs and it can run ...