Encara no tenim significats per a "migratory birds".
1Previous outbreaks worldwide have been blamed on migratory birds or contaminated feed.
2In the case of migratory birds, we have again a navigation problem.
3Are migratory birds accelerating the spread of avian influenza around the world?
4Government experts said it might have been infected by migratory birds flocking south.
5In autumn the migratory birds leave us, but they return in the spring.
6At their baseline state, migratory birds are already marvels of evolution.
7In addition, it is a stopover for migratory birds from Russia and Australia.
8Probably the strain has been brought by migratory birds, Zlotea added.
9However, the rollout of new energy infrastructure comes with consequences, particularly for migratory birds.
10The study, appearing Oct. 29 in Nature, may improve conservation efforts for migratory birds.
11She was able to photograph conservation wetlands while tracking migratory birds, taking striking images.
12Northern Alberta and the region farther north is the nesting-ground of the migratory birds.
13Not the least important of the September arrivals are the migratory birds of prey.
14The night -when most migratory birds travel -was literally hidden to them.
15And now nearly all the migratory birds were at home.
16These must be added to the migratory birds of Cyprus.
Aquesta col·locació està formada per:
Migratory birds a través del temps
Migratory birds per variant geogràfica