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Wild Things: Life as We Know It

Dinosaur gangs, psychedelic fish and long-distance elephant calls

Observed

The Peruvian warbling antbird
(Cheryl Carlin)
Name: The Peruvian warbling antbird, Hypocnemis peruviana.
Two's Company: Antbirds live in pairs. They defend their territories from other antbirds by singing complex duets to signal their combined strength.
Three's Trouble: But when an unattached female enters a pair's territory, you can forget about such harmony, a study from the University of Oxford says. Once the male starts warbling, his partner launches into a song that interferes with his—a clear attempt, the researchers say, to ruin any overture to the unattached female.

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