Unformatted text preview: flight…at flapping airspeed of 12.9 km/h 157 km and if they flapped the entire way it would cost 3,627 mg -monarchs gain height with little energic cost from thermal lift and slope lift-they find their way by the sun compass morning: steer right of sun. .noon: steer at sun….afternoon: steer left of sun-spatial cues that bird uses but monarchs do not (magnetic field) sun is stronger than magnetic-some birds use a star compass …vision through a compound eye is too low aculty for nocturnal insects to resolve individual stars-anabatic wind-solar azimuth-caloric content of fuel-celestial cue-clock shifting-gliding-glycogen-headwind-Helmhotz coil-learned landmarks-lipid loading-magnetic orientation -Michoacan-migratory restlessness-monarch butterfly-Monterey peninsula-orientational cue hierarchy-sham group -slope lift-star compass-tailwind-thermal lift-time compensated-triglycerides...
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- Fall '10
- Energy, energy savings, sun compass Direction