| Small eggs may jeopardize survival for precocial grouse chicks that rely extensively on nutrient stores after hatching. |
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| For the six grazing species with precocial young, Fig 3. shows the frequency distribution of births. |
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| Young in precocial birds that are fed by their parents also engage in vocal and postural begging displays. |
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| Males leave the females soon after incubation begins, and females provide uniparental care for precocial young. |
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| Moreover, chicks of precocial species generally require less parental care than those of altricial species. |
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| Both parents remain with broods for several weeks following hatching of the precocial young. |
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| We predicted that species with precocial newborn should have synchronized births as an antipredator strategy. |
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| Lack proposed that for species with precocial young, mean clutch size is determined by the average amount of nutrients available to females at the time of egg production. |
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| Young Piping Plovers are precocial, learning to feed themselves while following and observing their parents. |
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| In general, precocial young are born after a relatively long gestation period and in a small litter. |
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| In precocial birds and crocodiles, however, hatchlings have pelvises already formed into bone. |
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| The young are precocial, being born with dark mottled down, and mobile upon hatching. |
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| The altricial state is typical for squirrels and mice, while the precocial state usually occurs in species like guinea pigs and porcupines. |
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| In precocial species, the mothers invest little in nest building and some do not build nests at all. |
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| Though relatively independent and weaned within days, precocial young may continue to nurse and be groomed by their mothers. |
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| The function of habitat change during brood-rearing in the precocial Kentish Plover Charadrius alexandrinus. |
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| These are precocial species, and their young are capable, among other things, of walking independently within a few minutes or hours of birth, and therefore of wandering away from their parents. |
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| Since mammals are dependent on their mothers for nourishment, and even birds are still dependent on parental guidance and protection, it is important that the precocial infant not get lost in this way. |
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| The phenomenon of filial imprinting ensures that, in normal circumstances, the precocial infant forms an attachment to its mother and never moves too far away. |
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| Horses are a precocial species, and foals are capable of standing and running within a short time following birth. |
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| Operation Migration developed a technique for teaching precocial birds to migrate using light aircraft acting as surrogate parents. |
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| Conversely, among precocial species, plasma butyrylcholinesterase levels have different trends. |
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| Pigs are also precocial, meaning they are born with well-developed sensory and motor systems, which allows them to be very mobile and weaned at an early age. |
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| The precocial chicks fledge in about four weeks after hatching. |
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| The male handles most of the incubation duties, which can mean sitting on the egg for up to 80 days until the precocial young, capable of moving on their own, hatch. |
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| Chicks are precocial, however are brooded during early development. |
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