Jumping

Jumping bean — a seed of a Mexican Euphorbia, containing the larva of a moth (Carpocapsa saltitans). The larva by its sudden movements causes the seed to roll to roll and jump about.

Jumping deer — a South African rodent (Pedetes Caffer), allied to the jerboa.

Jumping louse — any of the numerous species of plant lice belonging to the family Psyllidæ, several of which are injurious to fruit trees.

Jumping mouse — North American mouse (Zapus Hudsonius), having a long tail and large hind legs. It is noted for its jumping powers. Called also kangaroo mouse.

Jumping mullet — gray mullet.

Jumping shrew — any African insectivore of the genus Macroscelides. They are allied to the shrews, but have large hind legs adapted for jumping.

Jumping spider — spider of the genus Salticus and other related genera; one of the Saltigradæ; -- so called because it leaps upon its prey.