Abstract

72 young and old pigeons habituated to wearing either magnets or brass bars, half having had their bars changed, were released under an overcast sky. 1. No significant differences appear between birds habituated to magnet and those habituated to brass. 2. No significant differences appear between birds released with magnet and those released with brass. 3. Though youngs home worse than yearlings and old pigeons, no significant differences concerning the age of pigeons appears within, nor between experimental groups.

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