NASA NTRS · 19720017424
The ontogenetic development of orientation capabilities
Abstract
The effects of celestial references on the navigation ability of birds are discussed. Tests were conducted in a planetarium with indigo buntings to determine the amount of stellar pattern which could be removed before disorientation occurred. It was determined that young birds have a predisposition to respond to the apparent rotational motion of the night sky. It was concluded that the peak in responsiveness to rotational information is presented during the first summer of life, prior to the first migration season.
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Emlen, S. T.. 1972-01-01. The ontogenetic development of orientation capabilities. https://ntrs.nasa.gov/citations/19720017424
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