From the white Iberian lynx in Spain to the howler monkeys of Costa Rica: Why do animals change color?

Animal Color Change: An Unsolved Mystery

Scientists are calling for more research to understand the role of environmental factors, such as exposure to chemicals, in anomalies like the white Iberian lynx in Spain.

Some animals, like chameleons, octopuses, cuttlefish, and snowshoe hares, change color naturally. However, the appearance of a white Iberian lynx, known as Satureja, in the Spanish province of Jaén is surprising.

Satureja has lost her natural brown and orange tones, but retained her unique black spots, a natural ID that allows researchers to distinguish one individual from another.

No one knows the reason for this striking change in coat color, which had already been observed in another lynx previously.

Author's summary: Animals' color change remains an unsolved mystery.

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EL PAÍS English EL PAÍS English — 2025-11-05

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