Foraging ability of rufous hummingbirds on hummingbird flowers and hawkmoth flowers.
We examine the suitability of ornithophilous flowers and sphingophilous flowers in Ipompsis and Aquilegia for nectar foraging by the hummingbird Selasphorus rufus. In S. rufus, bill length averages 18.9 mm in females and 17.3 mm in males. Maximal tongue extension approximates bill length, suggesting...
Gorde:
| Argitaratua izan da: | Proc Natl Acad Sci U S A |
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| Egile Nagusiak: | , |
| Formatua: | Artigo |
| Hizkuntza: | Inglês |
| Argitaratua: |
National Academy of Sciences
1992
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| Gaiak: | |
| Sarrera elektronikoa: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC50139/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/11607331/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.89.20.9400 |
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