Common and widespread in the American tropics, this little owl enters our area only in southern Texas and Arizona, where it is now uncommon to rare. The Ferruginous Pygmy-Owl is very similar to the Northern Pygmy-Owl with the distinctions of habitat, call, color, white crown streaking and usually tail band color.
The cactus ferruginous pygmy owl, which nests in the Sonoran Desert’s iconic saguaro cactus, routinely takes down prey twice its size. Glaucidium brasilianum.
Ferruginous Pygmy-Owl.
It is often active by day, and may feed on small birds at times; songbirds in its range all recognize its whistled call, and will gather around to mob and harass the owl when they discover it. In live oak-honey mesquite forest, Ferruginous Pygmy-Owls usually nest in cavities in live oak trees >20 cm (8 in) in diameter at breast height. They live at elevations below 4,000 feet (1,200 m). This subspecies of the ferruginous pygmy-owl is native to Arizona, southern Texas, and parts of northeastern and northwestern Mexico. Cactus ferruginous pygmy-owls live in the desert habitat of southern Arizona in the southwestern United States, and northwestern Mexico. The most common owl nest site is an abandon or appropriated woodpecker hole, with an entrance diameter from 5-6.5 cm (2-2.5 in). Roosts during the daytime within the shelter of foliage in trees or bushes, but always seems alert. Living up to its name, the cactus ferruginous pygmy-owl (Glaucidium brasilianum cactorum) is a rust-colored raptor that weighs fewer than three ounces and typically nests in saguaro cactus cavities in Arizona.
“It’s the most ferocious raptor I’ve … Habits: The Ferruginous Pygmy Owl is a partly diurnal bird, and may be seen in bright daylight on exposed perches, and may also sing by day. The owl prefers desertscrub thickets, trees and large cacti for nesting and roosting.
The Cactus Ferruginous Pygmy Owl is one of three subspecies of the ferruginous pygmy owls. Principal activity is at dusk or around dawn, and they are sometimes vocally active on clear, calm nights. Cactus ferruginous pygmy owl SAVING THE CACTUS FERRUGINOUS PYGMY OWL The tiny, fierce pygmy owl has become synonymous with wild Sonoran Desert: Endangered Species Act protections for the owl initiated a new era of urban planning in southern Arizona.
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