Glaucidium brasilianum (ferruginous pygmy owl)
Glaucidium brasilianum cactorumis is an endangered subspecies of the Ferruginous Pygmy Owl. This little guy is only about 6 inches (165mm) tall, weighing in at 2 ounces (57 gm), yet he's been known to take birds as large as a Mourning Dove (Zenaidura macruora). His primary diet is reptiles, with an admixture of birds and insects. He's endangered due to loss of habitat in Arizona, mostly because of over development of his home range for human housing. If you are in Southern Arizona and you hear this guy's monotonous tooting (he can sometimes start at midnight and continue, virtually nonstop, until 8am and will sometimes toot more than 100 toots in a row, for months!) please call the Arizona State Game and Fish Commission or drop me a note.
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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This material is based upon work supported by the National Science Foundation Grants DRL 0089283, DRL 0628151, DUE 0633095, DRL 0918590, and DUE 1122742. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services.
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