BIOL 1902 Study Guide - Final Guide: Semipalmated Sandpiper, Green Darner, Monarch Butterfly
Document Summary
What is migration - regular escape from the habitat to warmer environments. How far do songbirds travel during migration - can travel upto 500km per night, with stopovers. Which bird migrates day and night and how long do they travel - sandpipers especially semipalmated sandpiper. The artic tern who travels 20, 000 km. 1gm fat has 2x more energy than carbs, fat easily stored and metabolized. 2-4 days or 10 days to double body weight for semipalmated sandpipers. Powered flight - flapping wings using breast muscles. Flying behind the wingtip of another bird gives it a free lift. Thermalling/thermal hopping - used by hawks to soar rather than fly. Use air current to lift them up then open wings and soar down. thermal - warm air rising. How do daytime birds navigate in migration - the sun, landforms. How do night time birds navigate - the sun/stars. Drop leaves, leaves curl up, shape that sheds snow like a spindly spruce.
