Saturday, April 28, 2012

Snowy Owls in Sight?


I doubt I’m alone when I say that whenever I see a snowy owl, I can’t help but think of Hedwig from the Harry Potter books by J.K. Rowling. In a way, Hedwig’s character has made children and adults more aware of snowy owls in the wild. These owls are described as “the most massive (greatest average weight) of the North American Owls and believed, by many, to be the most powerful” (Owling.com). The males “can be entirely immaculate white” but usually show a few “spots or bars of dark slatey brown or black on the crown, back, wings, and/or tail.”  Also, “his under parts are generally marked with narrow bars on the abdomen, flanks, and sides.” The female, on the other hand, is much more heavily barred in a blackish color and considerably larger than the male. “Only her face, center part of breast, and back of neck are unmarked white.” Compared with other owls, both the male and female snowy owls have small, brilliant yellow iris.  Snowy owls have feathered feet, large sharp talons, and dull black bills that are almost buried in its fluffy white feathers. And it’s almost totally silent outside its breeding grounds.
The Snowy Owl inhabits the northern tundra around the world. Generally, the Snowy Owl inhabits “areas of low sparse vegetation, open fields, moorland, valley floors, salt and poorly drained fresh water meadows. Its habitat is closely associated with the distribution of small rodents and in the case of breeding territory directly corresponds with the distribution of small rodents (especially lemming). In the winter months, snowy owls are often found in farming areas with open fields of low stubble, marshes, and even dunes” (Owling.com).

As Snowy Owls migrate south for the winter months, we may see many more than expected. According to Sierra magazine, 2012 may be the year of the snowy owl. This winter, researchers at the Cornell Lab of Ornithology, have witnessed increased numbers of these birds of prey venturing farther south than usual. After summering in the northern tundra of the Arctic hunting and nesting, snowy owls normally migrate through Canada and the northern U.S. in the winter to search for food. Due to an abundance of prey (lemmings and small rodents) last summer, the snowy owl population experienced a growth which offset the predator-prey ratio. As a result, snowy owls are now experiencing greater competition for food. Therefore, the birds must fly farther south from their usual habitat to ensure better access to prey.
The rise in the snowy owl population is good news in itself, but it’s also great news for birders. The chance to get a glimpse of one of the largest owls on the planet as far south as Texas continues to occur through the end of April. So keep your eyes peeled and cameras at the ready!

All information regarding Snowy Owl biology from Owling.com
News article: Sierra Magazine