Assertion or assert may refer to: Assertion (software development), a computer programming technique. assert.h, a header file in the standard library of the C programming language. Assertion definition language, a specification language providing a formal grammar to specify behaviour and interfaces for computer software.
Grass snakes prey mainly on amphibians, especially the common toad and the common frog, although they may also occasionally eat ants and larvae. Captive snakes have been observed taking earthworms offered by hand, but dead prey items are never taken.
Most herbivores, such as cows buffaloes, goats, sheep and deer, eat grass. Animals that live in the forest eat grass, twigs, plants and leaves. Horses eat hay, which is dry grass. Even insects such as grasshoppers eat grass. Elephants love to eat the bark of trees, but even elephants eat grass. Kangaroos eat grass while the Giant Panda prefers to eat bamboo shoots.