It is believed to be the only member of its species currently occupying the Western Hemisphere, park officials said.

It is the largest of the three spotted owl species and measures 18 to 19 inches in length with a 40-inch wingspan. Females are about 15 percent larger than males and weigh between one and two pounds.

A Steller’s sea eagle was spotted in Terra Nova National Park in Canada, thousands of miles from its home in Far East Asia.

DESCRIPTION: One of the largest owls in North America, with a wingspan of 45 inches, the Mexican spotted owl is a shy, chestnut-brown color with white and brown spots on its abdomen, back and head.