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 callBugling.

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).

quiet hiss (Mar, NJ).

Mute Swan in flight (May, NJ).
time scale reduced

No comments:
Post a Comment