These movements into Alameda County, and even Contra Costa County, are the first to be documented in over 100 years.” ...
The elusive and illustrious California Condor is making a major comeback in the San Francisco Bay Area, stretching its wings ...
The Andean condor is the world's biggest bird of prey, which can weigh up to 15 kg and has a wingspan of up to 3.3 meters.
Abstract: At present, the protection of birds, especially endangered birds, faces major challenges. In the process of protection, birds are often mixed with various drones, and it is difficult to ...