Lecture13 - BioNB 2210: Lecture 13 Sept. 23, 2011 Lecture...

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Sept. 23, 2011 Lecture 13: Homing Pigeon Orientation Outline Professor Charles Walcott Learning Goals: At the conclusion of this lecture you should be able to: A. Describe the problem that a homing pigeon faces when released in an unfamiliar location. B. Enumerate some of the cues that pigeons use in both orientation and navigation. C. Give some reasons why different investigators might come to different conclusions about what cues pigeons use. D. Cite the evidence in favor of an olfactory “map” and the evidence in favor of a magnetic “map”. Homing Pigeons Compass vs. “Map” Compass is a direction “Map” is a position “Map and Compass” Gustav Kramer Bird Determines direction to home (Map) Then uses compass to fly in that direction Homing Pigeons as a model system Homing Pigeons Live in a loft Trained as a flock Single tossed Vanishing Bearings Visual Radio Airplane Tracking Can follow radio signal
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Lecture13 - BioNB 2210: Lecture 13 Sept. 23, 2011 Lecture...

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