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Ecology

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Ants Built Bigger Societies by Making Cheaper, ‘Squishier’ Workers, Study Finds

The analysis ties reduced cuticle investment to nutrient savings that can be redirected to producing many more workers.

Study Maps Rapid, Predictable Microbial Colonization of New Icelandic Lava

Collared Polar Bear Seen Caring for Adopted Cub in Western Hudson Bay

ZSL Study Links Vanished Galaxy-Frog Group to Damaging Wildlife Photography in India

Mosquito Blood Meals Reveal 86 Vertebrate Species in Florida Field Study

Michigan Confirms First Cougar Reproduction in Over a Century in Upper Peninsula

After Islet Boom to 300+, New Fence Sets Stage for Lesser Antillean Iguana’s Return to Anguilla

Rewilded Pumas Reach Record Density in Patagonia as Seasonal Penguin Hunts Reshape Behavior

Variable Environments Can Boost or Block Adaptation, Large-Scale Evolution Study Finds

Color-Preserved Anchiornis Fossils Indicate Loss of Flight, Study Finds

Mosasaurs Lived in Rivers Near the End of the Cretaceous, Isotope Study Finds

Study Documents Orcas Teaming With Dolphins to Hunt Salmon Off B.C.

Fisher Confirmed in Cuyahoga County for First Time Since the 1800s

Study Documents Orcas Teaming With Dolphins to Hunt Salmon off B.C.

Mosasaur Tooth Shows Bus-Sized Marine Reptiles Hunted in Cretaceous Rivers

Study Links Warmer Greenland Temperatures to Surge in Polar Bears’ ‘Jumping Gene’ Activity

Scientists Warn Indonesia Floods Dealt ‘Extinction‑Level’ Blow to Tapanuli Orangutans

New Pumpkin Toadlet From Brazil’s Serra do Quiriri Is Formally Described

Parasitic Plant Study Reveals Vital Plastids Despite Gene Loss and Repeated Island Asexuality

Study Finds Pond Frogs Can Swallow Giant “Murder Hornets” Despite Repeated Stings