Arctic Tern, Iceberg, Glacier Bay National Park, Alaska – Image 2717

Arctic terns are the long distance migratory champions of the world. Everyyear these medium sized birds (length: 13-15 inches and wingspan:26-30inches) fly from its Arctic breeding grounds (Alaska) to Antarctic and backagain each year. This 38,000km (24,000 miles) round trip ensures that thesebirds see two summers and more daylight than any other creature on theplanet. This is by far the longest regular migration by any known animal.Their migration takes up to four months. These are long-live birds and havean average lifespan of 20 years and with many reaching 30 years of age. On top ofall this, arctic terns mate for life. This image appears on page 74 in myphoto book on the park: “Glacier Bay National Park: Alaska.” Enjoy the photoand thanks for visiting. Once again as a reminder, I will be leading a smallboat photo cruise in Glacier Bay National Park this coming summer withDolphin Charters (www.dolphincharters.com), July 6-12, 2011. Come join mefor a week-long cruise in the bay exploring Alaska. Camera body: F5, Lens: Nikkor 300mm f/4 Film: 35mm Velvia, ASA 50, digitally scanned© Mark Kelley