Red kangaroo has the ability to freeze the development of an embryo until the previous joey is able to leave the pouch. This is known as diapause, and will occur in times of drought and in areas with poor food sources. The composition of the milk produced by the mother varies according to the needs of the joey. In addition, red kangaroo mothers may "have up to three generations of offspring simultaneously; a young-at-foot suckling from an elongated teat, a young in the pouch attached to a second teat and a blastula in arrested development in the uterus". The kangaroo has also
Pale kangaroo mouse Pale kangaroo mouse The pale kangaroo mouse or Soda Spring Valley kangaroo mouse ("Microdipodops pallidus") is a species of rodent in the family Heteromyidae. It is endemic to California and Nevada in the United States. Named for its pale-furred back and long hind limbs and feet, the pale kangaroo mouse is a large-headed rodent with fur-lined external cheek pouche. This species is bipedal, meaning that it generally moves around on its strong hind legs, hopping much like a kangaroo. The pallid kangaroo mouse, also called the pale kangaroo mouse, is one of two recognized species of kangaroo mouse, and is