In·ses·sor n.; pl. Insessores Zool. One of the Insessores. The group includes most of the common singing birds.
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In·ses·so·res n. pl. Zool. An order of birds, formerly established to include the perching birds, but now generally regarded as an artificial group.
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Insessores
n : a bird with feet adapted for perching (as on tree branches);
this order is now generally abandoned by taxonomists
[syn: order Insessores, perching bird, percher]