鸟类区系

江西省官山自然保护区鸟类调查初报

四川东阳沟自然保护区鸟类区系初步调查

内蒙古荒漠草原和草原化荒漠地区鸟类区系的过渡性特征

Avian influenza (bird flu)

The early bird gets the worm

bird's-nest

It's an ill bird that fouls its own nest

Seckel's syndrome, bird-headed dwarfism

bird's-eye view

bird damage

wandering bird