Animals
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Animals
Paternity test reveals father’s role in mystery shark birth
A shark pup was born in a tank with three female sharks but no males. A genetic study finds that the shark must have stored sperm for nearly four years.
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Animals
Amazonian bird may act the part of its hairy caterpillar disguise
A rare view of a baby cinereous mourner feeds debate over whether the bird both looks and acts the part of a toxic hairy caterpillar as defense against predators.
By Susan Milius -
Animals
Disco clams may flash chemical-weapons warning
Puzzling disco clam light show might warn predators not to bite.
By Susan Milius -
Animals
‘Bag of chips effect’ helps bats find a meal
Bats get a clue to where dinner is by listening to peers attacking prey.
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Animals
How many wildebeest? Ask a satellite
High-resolution satellite imagery could offer a reliable way to count large mammals in open habitats from space.
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Animals
Bowhead whales may unlock the secrets to a long, healthy life
Analyzing the genome of the bowhead whale may help scientists understand how the animals live for more than 200 years.
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Animals
Little African cats need big parks
Protecting African wildcats requires large protected areas free of feral cats to avoid the risk of the wild species disappearing through hybridization.
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Animals
White-nose syndrome messes with bats’ metabolisms
Bats with the deadly white-nose syndrome use twice as much fat for energy as their healthy companions in winter months.
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Animals
Why ground squirrels go ninja over nothing
Ground squirrels twist and dodge fast enough to have a decent chance of escaping rattlesnake attacks.
By Susan Milius -
Ecosystems
Lessons for the new year
SN Editor in Chief, Eva Emerson, reflects on looking to nature for insights on how to constructively look ahead - even if just a year -drawing from a handful of this issues natural science stories for her 2015 resolutions.
By Eva Emerson -
Ecosystems
Dam demolition lets the Elwha River run free
Removing a dam involves more than impressive explosions. Releasing a river like Washington state's Elwha transforms the landscape and restores important pathways for native fish.
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Ecosystems
Cities are brimming with wildlife worth studying
Urban ecologists are getting a handle on the varieties of wildlife — including fungi, ants, bats and coyotes — that share sidewalks, parks and alleyways with a city’s human residents.