BIOL 1902 Study Guide - Midterm Guide: Gray Tree Frog, Eastern Tent Caterpillar, Eastern Screech Owl
Document Summary
Camouflage: colours and patterns that allow animals to blend into the background. Crypsis: art of concealment or remaining hidden: camouflage + motionless behaviour. Only works if the animal remains completely still (cryptic) Background matching: having the same general patterns and colours as the immediate environment. Examples: gray tree frog (changes colour), snowshoe hare (changes seasonally), long and short tailed weasels. Background matching in grasslands: savannah sparrow (lebron"s fianc in grasslands) Background matching examples in marshes: american bittern (american bittie) Disruptive patterns: patterns that break up the general form of an animal making it hard to see. Examples: eyelines and eyestripes on songbirds, breastbands on killdeer birds. Common loon"s neck, srtipes and lines on eastern chipmink"s back and face, neck stripe on a. Bicolouration: having a two toned body that is usually dark above and light below, often seen on animals that live near the surface of ponds.
