Optimizing survey timing for detecting a declining aerial insectivore, the Black Swift ( Cypseloides niger borealis )
Much of the biology of Black Swifts ( Cypseloides niger ) is poorly known due to the species’ mostly aerial existence and cryptic nesting habitat. Important aspects of the biology of the northern subspecies of Black Swift ( C. n. borealis ) have been described in the past two decades, but the diffic...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Resilience Alliance
2023-12-01
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| Series: | Avian Conservation and Ecology |
| Subjects: | |
| Online Access: | https://www.ace-eco.org/vol18/iss2/art10 |