Hepatic tanager to the song of the black-headed grosbeak, another member of the Cardinalidae. The flight call is a husky and rising "weet". It looks for food in the foliage of trees, moving slowly and methodically; different individuals use different strategies. In summer, the northern form largely eats insects, spiders and some fruit. In Mexico, it has been observed to eat nectar. From Oaxaca south, it follows swarms of army ants. Even the northern population's behavior and life history are remarkably little known. Hepatic tanager The hepatic tanager ("Piranga flava") is a medium-sized American songbird. Formerly placed in the tanager family (Thraupidae),
Organ (anatomy) it is called an organ system. The adjective "visceral", also "splanchnic", is used for anything pertaining to the internal organs. Historically, viscera of animals were examined by Roman pagan priests like the haruspices or the augurs in order to divine the future by their shape, dimensions or other factors. This practice remains an important ritual in some remote, tribal societies. The term "visceral" is contrasted with the term "", meaning "of or relating to the wall of a body part, organ or cavity" The two terms are often used in describing a membrane or piece of connective tissue, referring to