The study concluded that bill size was highly adaptive in that it was related to fitness (in the broad sense) or to some correlate of fitness. The results are considered in terms of existing niche theory and especially of "character displacement" and the "variable niche hypothesis".
| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:379888 |
| Date | January 1987 |
| Creators | Gosler, Andrew |
| Contributors | Perrins, Christopher M. |
| Publisher | University of Oxford |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | http://ora.ox.ac.uk/objects/uuid:db730e58-abdc-4b3f-8a6d-b18d18f77ef3 |
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