๐”– Bobbio Scriptorium
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Causes and Consequences of Tree Swallow (Tachycineta bicolor) Dispersal in Saskatchewan

โœ Scribed by Dave Shutler and Robert G. Clark


Book ID
124676178
Publisher
University of California Press
Year
2003
Tongue
English
Weight
458 KB
Volume
120
Category
Article
ISSN
0004-8038

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โœ Scott B. Morrill; Raleigh J. Robertson ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Springer ๐ŸŒ English โš– 649 KB

A new method to mark sperm transfer events between birds, using microspheres inserted into males' cloacae, was employed to assess the frequency of extra-pair copulation (EPC) in a population of tree swallows (Tachycineta bicolor) in Ontario, Canada, during the summer of 1988. We inserted 25 males wi