An ant that disappears into the forest floor, a bird that demands attention from mates—for these animals, an inky black ...

Looking through the aquarium pets, the team found several brightly colored and familiar-looking crayfish, the study said. These animals had been some of “the first freshwater crayfish” from ...

Singing from the canopy of a deciduous forest, even a brightly colored male can be difficult to locate. Late in the summer and during migration, it often feeds in fruiting trees. Monotypic.