Category: Marine Birds

Underwater Fact 148

Innovative technology allows researchers to learn more about the fascinating world of Emperor Penguins.

Brooding emperor penguin with its chick approached by a rover…   © Nature Methods

Investigating wild animals has always been a challenge to researchers. Especially when dealing with shy animals like penguins. When humans approach, Emperor Penguins normally back away and their heart rate goes up. That’s not what the scientists need when they want to check heart rate, health and other penguin parameters.
Consequently, a group of international scientists have created a remote control rover disguised as a chick to snuggle up to penguins in Adelie Land, Antarctica – the same place where the 2005 documentary March of the Penguins, was filmed.

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Underwater Fact 143

When a male penguin falls in love with a female penguin, he searches the entire beach to find the perfect pebble to present to her.

natgeoPenguinsPenguins sharing pebbles   © National Geographic

Humans give flowers and candy when impressing a lady. Penguins give rocks. Not just any rocks, though — male Gentoo penguins search through piles of pebbles to find the smoothest, most perfect ones. When a penguin has selected his pebble, he presents it to his intended companion. If she approves, she puts the stone in her nest and the two are well on their way to becoming mommy and daddy birds. Pebbles are so important to the penguins that males often fight over the prettiest selections.

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Underwater Fact 132

The Christmas Frigatebird is a highly endangered species of sea bird that only breeds on Christmas Island in the Indian Ocean.

Male Christmas Frigatebird   © Save Nature Save Human

Male Christmas Frigatebirds begin their mating displays in late December, inflating their scarlet throat pouches during courtship.

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Underwater Fact 122

Penguins have a special gland in their beak that filters salt from their blood and enables them to drink sea water.

Penguins at Sea World   © Sophia Volzke

Those animals that live in the frozen environment of Antarctica have to be highly adapted to survive. The penguin is one of these true wonders of evolution.
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Only about 3% of known bird species qualify as seabirds with most of those living in the southern hemisphere.

Pelican   © Sophia Volzke

Just like marine reptiles, seabirds have special salt-excreting glands in their heads to eliminate the excess salt taken with their food.

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