Broad-winged Hawk whistle (Apr, NJ).
Red-shouldered Hawk, most common call (July, NJ).
Breeding pair (Mar, NJ).
calls at 9s
Pair being harassed by crows, note squealing calls at end (Apr, PA).
Red-tailed Hawk, the familiar wheezy shriek (Nov, PA)
"Gaank" call heard between mates, in this case a bird in flight, the other carrying with nesting material (Mar, PA)
An adult Red-tailed Hawk flew into an oak uttering a squealing call, and then abruptly left the tree when a second adult arrived, at which point these raspy notes were heard (Oct, PA).
Sharp-shinned Hawk calls at 2, 29, 50 and 62s (including mobbing calls by Blue Jays, Oct, NJ)
Juveniles give chip calls in the fall (BNA). This bird was taking short flights and being mobbed by Blue Jays (Sep, PA).
Juvenile being mobbed by Blue Jays calling and giving chip calls that sound like Eastern Phoebe (Oct,PA).
Cooper's Hawk, series of keks (Nov, PA)
First year bird with the three common calls, single kek, a mew-like call, and the kek series as it flew off (Apr, PA).
Cooper's Hawk leaving nest (June, NJ).
Cooper's Hawk, female call after flying from nest to perch nearby (June, NJ).
Same call by first year bird (Nov, NJ).
Mew and kek calls, the mew calls can sound similar to Yellow-bellied Sapsucker (Oct, PA).
Calls between two interacting immature Cooper's Hawks (Sep, PA).
calls spliced together
Peregrine Falcon in flight (Oct, NJ).
American Kestrel in flight (male, Oct, PA).
This soft call was heard when two female/immature Merlins interacted with each other in flight (Nov, NJ).
Osprey (Aug, NJ).
Adult calling near nest (July, NJ)
There was a raspy alarm at the end of some call sequences (July, NJ).
Northern Harrier pair flying overhead in breeding habitat, the louder call being the female, and the whistle presumed to be the male (Red-winged Blackbird also calling, May, PA).
A male Northern Harrier being mobbed in flight by a Red-winged Blackbird was presumed to make this soft call (at 3s) (breeding grounds, May, PA).
(insect noise at 5-6kHz)
Northern Harrier in flight (Nov, NJ)