
Kelenken is an extinct genus of giant flightless predatory birds from the miocene era.

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Holotype skull of kelenken.

Back of the head of the terror bird kelenken.

Life restoration of the terror bird.

Kelenken had a slender body, long legs, and taloned feet, hinting at its predatory nature and possible speed.

Map showing the approximate location where the holotype of Kelenken was found.

A pair of kelenken hunting an astrapothere.

Kelenken hunting smaller prey during the miocene period.

Computer generated 3D illustration of kelenken.

This terror bird’s beak was large, hooked, and sharp, suggesting a carnivorous diet.

Two Kelenken come down to a lake to drink during the miocene period.

3D illustration of two kelenken at daylight.

Kelenken attacks a marine reptile during daylight.

Group of feeding kelenken.

Illustration of kelenken in a white background.