Other Peregrine Projects > USA Peregrines

WI / Oak Creek - 2009-14

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Alison:
2010 NESTING SEASON

The falcons haven't been around for a while, since a pair of Great Horned Owls is raising two owlets in the other Oak Creek nest, but one falcon paid a visit today. The falcons will not nest until the GHOs have left the second nest.

Alison:
One adult relaxing at Oak Creek today:

Alison:

--- Quote from: bcbird on October 21, 2009, 18:20 ---Are those rocks inside the nest box?  why?

--- End quote ---

I've also seen the chicks use rocks to lean against and rest their heads on, like a pillow.

This is not the only nest box with a few rocks - in addition to both Oak Creek nests, the Port Washington and Valley Power nests also have rocks, and the Salt Lake City nest has at least one.

bcbird:
Oh, of course.... like on the ventilation cap of the nest ledge that Vesper perched.  Thanks, TPC.

The Peregrine Chick:
The rocks are for sitting on - peregrines, even young ones like to "perch" and since this nestbox is a split-level - front is high, nest part is sunken, the rocks give them a comfy (relatively speaking) place to perch their toes on ...

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