The Grey starling, nuthatch and white - browed flycatcher are threekinds of nest birds, among which, the nests of grey starlings distribute in groups;the nests of nuthatches and white- browed flycatchers distribute randomly in cer-tain area; and all the nests of nest birds distribute in groups.

Nest-site reused by five species of secondary cavity-nesting birds (SCNBs) in secondary forest;

Effect of artificial nestboxes on the diversity of secondary cavity-nesting birds and the stability of breeding bird community;

We found 141 active nests of five species of secondary cavity-nesting birds (SCNBs) at the study site during the breeding season in 1996.

All the treatments contained four primary cavity excavators, and three species were the same.

"Nest"-a link to experimental art;

As the main stadium for 2008 Olympic Games,National Stadium has a saddle-like configuration and a bird nest steel shell while its internal structure is three floors of bowl concrete stands in which a lot of oblique posts and beams as well as spacial ring beams are arranged,with total steel consumption of 42,000 t.

The controls were treated with routine nursing, and the infants in the observation group were nursed with "Bird Nest" Nursing besides use of routine nursing: the bird nest was placed in the incubators so that the infants slept in the warmed "bird nest".