mammal

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Seattle Neighborhoods: Interbay — Thumbnail History (historylink.org) Once a salt marsh between two extensions of Elliott Bay, the Interbay neighborhood is home to businesses and industries representing the wide sweep of Seattle’s history. A transcontinental railroad, first completed in the nineteenth century, runs next to the home of a twenty-first century biotechnology company. A food bank, a fishing fleet, and a golf course round out the wide variety of activities where once deranged hermits hid from society.

Mammal (Wikipedia) A mammal (from Latin mamma ‘breast’) is a vertebrate animal of the class Mammalia (/məˈmeɪli.ə/). Mammals are characterized by the presence of milk-producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles and birds, from which their ancestors diverged in the Carboniferous Period over 300 million years ago. Around 6,400 extant species of mammals have been described and divided into 29 orders.