Swans

Tundra Swan. The following recordings were made in mid-March at Whitesbogs in the New Jersey pine barrens.
This was the most commonly given call by the birds in the flock:













Another commonly heard call.











A group of birds making these calls.




These calls are quite similar to those of Snow Geese:
Snow Geese in flight (Feb, NJ).











Several agitated birds bugling, with quieter squeaky, two-noted calls.










two-noted call










Bugling.











Bugling calls by birds in flight.











A pair of birds head bobbing, calls include a moan-like call.











A hoarse call.














Mute Swan grunt (Mar, NJ).











A rising call (May, PA)



quiet hiss (Mar, NJ).












Mute Swan in flight (May, NJ).

time scale reduced