Some crested vultures are resident birds and some are migratory birds, but they are rare. Except Hainan Island, the migratory birds distributed in China are all summer migratory birds, which migrate from early April to late April in spring and end at 10 in late September in autumn. Usually work alone, and occasionally integrate small groups in winter. Flying is sensitive and distinctive, and most of them fly with wings. Flap your wings a few times, glide for a long time, spread your wings horizontally and soar high in the sky. He often flies his wings from tree to tree quickly, occasionally soaring over the forest, or gliding slowly, screaming as he flies, as short as a whistle. Sometimes it will stop on a high treetop or on a branch in a lower part of the forest.

Mainly feed on wasps, wasps, bees and other bees, but also eat other insects and insect larvae, and occasionally eat small snakes, lizards, frogs, small mammals, rodents, birds, eggs and young birds and other animal foods. Usually preys on birds in flight, and can prey on birds, such as finches. Although bees have stinging thorns, which can even kill people, both bees and eagles regard them as food. They like to eat not only the adults of bees, but also their larvae, eggs, honey, beeswax and so on. Most crested vultures feed on trees in forests or on the ground. They often dig beehives on the ground with their claws, just like domestic chickens, pecking at all kinds of food in the beehives.