Ruby-throated hummingbird

Posted by Linda Petersen, Nov 18, 2016
Ruby-throated hummingbird
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  • I understand that the ducks' blood vessel arrangement in their feet is to provide the benefits of the counter-current heat exchanger mechanism; returning cold venous blood from the feet is warmed by the descending warm arterial blood, preventing excess heat loss by the feet and avoiding cold blood from chilling the body. This means that the feet are cold, not warm.
    by Frank Barch, Sat, 02 Jan 2021
  • I have the same situation. The feeder is attached to the middle of a large picture window that goes ceiling to floor w/ no ledge or sill for animals to climb or balance. Yet every morning all the sunflower seeds have been cracked open and hulls left. Any ideas what it is?
    by Liza Fox, Sun, 15 Nov 2020
  • I have a bird feeder that sticks to my window and I've been hearing noises against the window at night right now its going on. But whatever it is it is aware of me. And when I get to window it leaves.I can't imagine a squirrel or mouse or possom being able to get at it. ...So as I was reading this article im to assume no bird eats at night. Or no birds will eat at night. Why is that? Then im also thinking of a sinereo that could a lost confused bird eat at night. This eating thing is watching meI turn out the light go there noise dissappears..Thank you.
    by Nosferatu, Thu, 05 Nov 2020
  • I have metal baffles (cones) on my pole for my bird feeders. Something is still tempting them at night. What else could it be? Deer???
    by Ella Spencer Connolly, Thu, 27 Aug 2020
  • I found where he lives, then I keep him up all day by singing at full volume! Hah, that'll show the little sucker!
    by Pike Juan, Tue, 11 Aug 2020