Cuckoos

The coo coo coo call of the Yellow-billed Cuckoo (June, NJ).












The knocker call (June, NJ).











This is the nocturnal flight call (2.32am, May, PA)

(3.46am, May, PA)



Two Yellow-billed Cuckoos in close interaction made these calls (May, NJ).












Both cuckoos vocalize frequently during migration. The Black-billed Cuckoo makes a unique swallowing sound (2.45am, May, PA).


(12.26am, May, PA)


(2.03am, May, PA)




Flight call by perched bird (May, NJ).