Lifestyle

Altricial animals

2249 species

Altricial animals are those species whose newly hatched or born young are relatively immobile. They lack hair or down, are not able to obtain food on their own, and must be cared for by adults; closed eyes are common, though not ubiquitous. Altricial young are born helpless and require care for a length of time.
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Altricial animals are those species whose newly hatched or born young are relatively immobile. They lack hair or down, are not able to obtain food on their own, and must be cared for by adults; closed eyes are common, though not ubiquitous. Altricial young are born helpless and require care for a length of time.
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Source