Everything about The Spotted Owl totally explained
The
Spotted Owl,
Strix occidentalis, is a species of
owl. It is a resident species of forests in western
North America, where it nests in tree holes, old
bird of prey nests, or rock crevices. Nests can be between 13 and 66 yards (12 to 60 meters) high and usually contain two eggs (though some will contain as many as four). It is a strictly nocturnal
owl, which feeds on small mammals and birds.
This owl has a length of 43 cm (17 inches), a wingspan of 114 cm (45
inches, and a weight of around 600
g (21
ounces). Its
eggs are a little over 2 inches (50 millimeters) long, and are white and smooth with a slightly grainy texture. The female sits on the eggs and cares for the young, while the male provides food for them.
The three sub-species of
Strix occidentalis are
Strix occidentalis caurina (
Northern Spotted Owl),
Strix occidentalis occidentalis (California Spotted Owl), and
Strix occidentalis lucida (often referred to as the
Mexican Spotted Owl). The
Gila Wilderness is home to the largest population of the Mexican sub-species.
The Spotted Owl is similar in appearance to the
Barred Owl but has cross-shaped markings on the underparts whereas the Barred Owl is alternately barred on the breast and streaked on the belly. Barred Owls are larger and grayer than Spotted Owls. In recent years the California and Northern subspecies of Spotted Owl have been displaced by Barred Owls, which are more aggressive, have a broader diet and occur in more varied habitats. Though the two species may hybridize in areas where displacement is occurring, they're quite genetically distinct, for example, differing 13.9% in certain gene sequences.
Conservation
The Northern and Mexican spotted owl populations currently have endangered status in the United States, according to the United States Fish and Wildlife Service (USFWS). The California spotted owl is isn't considered to be threatened nor endangered by the USFWS, however, it it considered to be a species of special concern by the state of California and the United States Forest Service (USFS). All subspecies of the spotted owl are often the subject of disagreement between conservationists and loggers, cattle grazers, developers, and other organizations whose activities can affect forest cover. In February 2008, a federal judge reinforced a
U.S. Fish and Wildlife Service decision to designate in Arizona, Utah, Colorado and New Mexico as critical habitat for the owl. The decision had been challenged by the
Arizona Cattle Growers' Association, but Judge Susan Bolton upheld the designation. According to the Center for Biological diversity, "Having critical habitat will ensure that U.S. Forest Service logging doesn't limit the bird's recovery or drive it into extinction."
Gallery
Image:Strix occidentalis lucida.JPG
Further Information
Get more info on 'Spotted Owl'.
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