Pica



Distinguishing Characteristics:
  • "rock" rabbit looks like a guinea pig with big ears but is a relative of common rabbit
  • will shriek (eep) when alarmed and to protect territory
  • has visible tail with large round ears fringed in white
    calls are ventriloquistic
Body Size:
  • small yet stocky, measuring 18 cm (7 in long)
Weight:
  • weighs 190 g ( 6.5 oz)
Colour:
  • light orangish-brown, grizzled touches of black, grey and dark brown on backs to help them blend into rocky homes
Habitat Preference:
  • high in alpine, among boulder-strewn fields and slopes
  • live in network of paths they establish beneath rocks and snow
  • crevices are handy in summer to escape predators like the golden eagles
Behavioural Attributes of Mammal:
  • live in loosely associated colonies, pikas are territorial and defend both their home range and food cache
Diet:
  • pikas eat grasses, greens and lichens
  • spend day stockpiling vegetation in clumps all over rocks to let it dry out.-when hay is dry, pika will take it and store it in burrow beneath rocks in preparation for long winter ahead
  • valuable resource and essential to pika's survival in winter, since they do not hibernate
  • pikas will eat special partially digested pellets
  • do not reingest normal feces
Babies:
  • produce 3-5 young each spring
  • second litters later in the summer are common, few of the second batch survive due to short interval to gather food for upcoming winter.
  • young are furry, mobile, and precocious
Causes of Mortality:
  • golden eagles, smaller weasels

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