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  1. Copilot 答案
    界:动物界 Animalia
    门:脊索动物门 Chordata
    纲:爬行纲 Reptilia
    目:鳄目 Crocodilia
    Overview

    A caiman is an alligatorid belonging to the subfamily Caimaninae, one of two primary lineages within the Alligatoridae family, the other being alligators. Caimans are native to Central and South America and inhabit marshes展开

    Behavior

    Caimans are predators and, like alligators and crocodiles, their diet largely consists of fish. Caimans also hunt insects, birds, small mammals and reptiles.
    Due to their large size and ferocious nature, caimans have fe… 展开

    Phylogeny

    Caimaninae is cladistically defined as Caiman crocodylus (the spectacled caiman) and all species closer to it than to Alligator mississippiensis (the American alligator). This is a stem-based definition for caimaninae, an… 展开