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California condor
California condors
1978
Mammals · Reptiles
California wildlife and their habitats
1980
Bird populations · Measurement
Optimizing the duration of point counts for monitoring trends in bird populations
1988
Ecology · Congresses
Wildlife 2000
1986
Behavior · Birds
Mating systems, sexual dimorphism, and the role of male North American passerine birds in the nesting cycle
1969
Spotted owl
The California spotted owl
1992
The California Spotted Owl
Bald eagle · Voiceprints
Identifying individual bald eagles with voiceprints
1982