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Jirafas pueden superar simples pruebas de suma, según un nuevo estudio

NATIONAL GEOGRAPHIC

Dos de cuatro jirafas del Zoo de Barcelona superaron sistemáticamente una prueba de suma con zanahorias que exigía combinar cantidades mentalmente y elegir el resultado mayor. Su rendimiento supera al de caballos, perros y peces cebra en tareas similares, y los investigadores creen que esta habilidad les ayuda a localizar alimento y esquivar grupos de depredadores.

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