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But it was unlikely that the second bird—a whistling kite—was there just to experience the friendly vibe. It was soon joined by another. They waited on the boughs closest to the colony. Maybe they were curious. Certainly, they were both watching the ibises on their nests.
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My camera batteries went flat seconds after I took these pictures. So I enjoyed the spectacle of five whistling kites and a squadron of pelicans gliding on thermals without experiencing the anxiety of trying to get them in focus.
[I'm pretty sure these are whistling kites. They were certainly whistling. From underneath the wings had dark tips and dark trailing edges. If I'd had spare batteries ...]