heteromyidae: small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats
abstraction: a general concept formed by extracting common features from specific examples
california sycamore: tall tree of Baja California having deciduous bark and large alternate palmately lobed leaves and ball-shaped clusters of flowers