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February 26, 2015

Kala'i Receives Another Feeding

We believe Malumalu departed nest 1 and Niau around 7PM the previous night, but it looks like Ala may have stuck around over night, feeding nestling Kala'i at nest 2 in the early morning, just before sunrise. 

February 25, 2015

Great Horned Owl Nestlings Are 3 Weeks Old

At 19 and 22 days old the Savannah Great Horned Owlets are getting pretty big. They are now starting to try and focus on objects bobbing their heads up and down and side to side with exaggerated movements. They are also becoming more curious. 

February 25, 2015

Great Horned Owl Nestling Bill Claps

In this clip we see the older owlet bill-clapping at some rather noisy American Crows. In both adults and older young, at least 3 forms of threat displays grade into one another. In the clip we see a mild threat- mild threats consist of agitated bill-clapping, hissing, occasional low, drawn-out screams, and other guttural noises. A behavior we have have seen from Mom and not the owlets yet is a second level threat consisting of fully spread wings arching in a 'wall' towards an intruder, this posture has also been accompanied by bill-clapping and hissing. We have not yet seen a third threat level consisting of spread wings, will-clapping, hissing, high pitching screams for a long duration, feet are also poised to strike. 

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