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Studies on Avian Hæmoprotozoa: No. III.—Observations on the Development of Trypanosoma noctuæ (of the Little Owl) in Culex pipiens; with Remarks on the Other Parasites occurring1
Department of Zoology, University of North Carolina, Chapel Hill, North Carolina 27514 Abstract. Most communication among common grackles Quiscalus quiscula occurs at distances of less than a few metres in the noisy environment of a breeding colony. This report examines both the adaptations of communication to these conditions and the effects of communication in regulating individuals” spatial relationships. For each of six vocalizations and five action patterns studied in one