Hawk Owl - Sounds

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This video contains the sounds of the Northern Hawk Owl (surnia ulula).

-------------- Contents of the video -----------------

0:00 - Song
0:25 - First Call
0:47 - Second Call
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A rapid high pitched trill like an eastern screech owls but a bit higher and sharper in tone. The trill can last 15 seconds and it's also a know as a repetitide alarm call also a quit like an American kestrel's or a merlin's.

devaangshah
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What do they use the second call for? I hear it all the in Wisconsin.

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