- Title
- Sunbird Movements: a Review, with Posslble Models
- Creator
- Craig, Adrian J F K, Hulley, Patrick E
- Subject
- To be catalogued
- Date
- 1994
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/447856
- Identifier
- vital:74679
- Identifier
- https://doi.org/10.1080/00306525.1994.9639672
- Description
- Based on current fieldwork, we propose four possible models to explain the winter influx of sunbirds which we have observed: the birds may be (1) “winter residents”, which move annually to a wintering area and remain there; (2) “shoppers”, which periodically investigate feeding areas within their home range and feed opportunistically where nectar is most abundant; (3) “tourists”, which successively visit a series of sites on a regular itinerary; (4) “nomads”, which move unpredictably to new areas whenever food supplies decline. and have no home base. Current data on sunbird movements are reviewed, and in a few cases the winter resident model is unlikely, but generally it is not yet possible to eliminate any of the hypotheses. Moult cycles based on both field and museum studies may provide additional information, as movements are unlikely while active wing-moult is in progress; some species show interrupted wing-moult, which may be associated with long-distance flights.
- Format
- 4 pages, pdf
- Language
- English
- Relation
- Ostrich, Craig, A.J.F.K. and Hulley, P.E., 1994. Sunbird Movements: a Review, with Posslble Models. Ostrich, 65(2), pp.106-110, Ostrich volume 65 number 2 106 110 1994 1727-947X
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Taylor and Francis Online Terms and Conditions Statement (https://www.tandfonline.com/terms-and-conditions)
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Collections
Hulley, Patrick Elliot (Assoc Prof Emeritus)
Craig, Adrian JFK (Prof)
RU Department of Zoology and Entomology
SDG 15. Life On Land
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details | SOURCE1 | SUNBIRD MOVEMENTS A REVIEW, WITH POSSLBLE MODELS.pdf | 596 KB | Adobe Acrobat PDF | View Details |