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Imagine the nesting cliff of Common Murres, 100 feet above the ocean. Suddenly, a small murre chick, only three weeks old and just one-quarter the weight of an adult, lunges off the cliff, gliding clumsily to the water below. Soon other chicks follow, splashing into the sea. The chicks' fathers will now tend their young for up to two months. The father feeds the fledgling and teaches it to forage for itself.
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Common Murre Fathers Take Over
Written by Bob Sundstrom
This is BirdNote.
[Colony of Common Murres -- the Laugh call of the colony as from “Common Murres - Nature’s Laugh Track”] We’re hearing Common Murres, birds of the Pacific and Bering Sea, and the north Atlantic by Labrador and Newfoundland. Common Murres can “fly” under water.
In mid-summer, imagine these black-and-white seabirds crowded on ledges 100 feet above the ocean, sheltering their chicks. It’s dusk. More adult murres call from the waves below. [Call of the adult Common Murre]
Suddenly a small murre chick, only three weeks old and just one-quarter the weight of an adult, lunges off the cliff, gliding in ungainly fashion to the water below. Soon other murre chicks clamber, bounce, and splash into the ocean.
These little murres are fledging, leaving their birthplace as pint-sized chicks. At this point, the mothers’ parenting tasks are complete. The chicks’ fathers have called them down to the ocean. They will tend their young for up to two months, nurturing them at sea. With the chick at his side rather than back on the precarious cliff, the father can feed the fledgling on the spot, and help the chick learn to forage for itself.
Listen to the calls of the chicks as they accompany their fathers upon the waves.
[High pitched whistle calls of chicks, with answering parent call] By this date, the lesson is nearly over. [Pause]
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Calls of the Common Murres (chicks and fathers) provided by The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology, Ithaca, New York. Recorded by Thomas G. Sander.
Calls of the Common Murre colony recorded by Bob Sundstrom.
Producer: John Kessler
Executive Producer: Chris Peterson
© 2013 Tune In to Nature.org September 2013 Narrator: Frank Corrado
ID# 090205COMUKPLU COMU-03b