Subjects: *BIRD surveys; *BIRD population estimates; *BIRD breedingARIZONA; FLORIDA; TEXAS
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Subjects: BIRD breeding; BIRD surveys; PARKS
Subjects: *Endangered species; *Biodiversity conservation; *Bird populations
Subjects: *PATTERN perception; *BIRD surveys; *BIRD breedingNORTH America
Subjects: *Bird populations; *Climate change; Bird surveysArctic regions; Nunavut
Subjects: *BIRD breeding; *BIRD surveys; *GEOLOGICAL research
Subjects: BIRD surveys; BIRD breeding; BIOLOGISTS
Subjects: BIRD breeding; BIRD surveys; BIRD populations
Subjects: BIRD surveys; BIRDS; BIRD breedingCONNECTICUT
Subjects: Bird surveys; Bird breeding; Big data