Ecosystems
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		AnimalsInvasive species may be great snacks for predators
The arrival of a new food source can benefit predators, a new study finds. But if there are no native species around to eat, it’s a different story.
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		AnimalsMarine biologist chronicles a lifelong love of fishing
In A Naturalist Goes Fishing, a marine biologist takes readers on a round-the-world fishing expedition
By Sid Perkins - 			
			
		PaleontologyDimetrodon’s diet redetermined
The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.
By Meghan Rosen - 			
			
		OceansWidespread coral bleaching threatens world’s reefs
The world’s corals are experiencing their third major bleaching event in 17 years.
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		OceansGiant barrel sponges are hijacking Florida’s coral reefs
Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.
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		AnimalsWhy we need predators
It might be easy to say that we should wipe out species that can kill us. But the effects of such action would be far ranging.
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		AnimalsWarmer waters give Arctic mosquitoes a growth spurt
Arctic mosquitoes develop faster in warmer waters, outpacing increased predation.
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		EcosystemsPatrolling bats protect corn fields from pests
Bats play a key role in protecting corn from pests and fungus.
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		AnimalsInvading Argentine ants carry virus that attacks bees
The first survey of viruses in the globally invasive Argentine ant brings both potentially bad and good news.
By Susan Milius - 			
			
		AnimalsInvading Argentine ant hordes carry a virus that attacks bees
Invasive Argentine ants may be reservoirs for a virus menacing honeybees — and for previously unknown virus.
By Susan Milius - 			
			
		AnimalsRabbits leave a mark on soil long after they are gone
Twenty years after rabbits were removed from a sub-Antarctic island, soil fungus has yet to return to normal, a study finds.
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		AnimalsCoral competitor becomes ally in fight against starfish
On the reef, algae compete with coral. But they may also protect coral from attacks by crown-of-thorns starfish, a new study finds.