Caterpillar of Feathers

can you find something wrong with this caterpillar?

caterpillar keeps chirping

Is this a cute little caterpillar with vibrant colors?

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No it's not an ordinary caterpillar ..... rather, a group of European Bee-eater embraces together on a small tree branch.

Photographer José Luis Rodríguez named this caterpillar illusion Oruga de Plumas (i.e. caterpillar of feathers).