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Flight Modes in Migrating European Bee-Eaters: Heart Rate May Indicate Low Metabolic Rate during Soaring and Gliding
BACKGROUND: Many avian species soar and glide over land. Evidence from large birds (m (b)>0.9 kg) suggests that soaring-gliding is considerably cheaper in terms of energy than flapping flight, and costs about two to three times the basal metabolic rate (BMR). Yet, soaring-gliding is considered un...
| Autores principales: | , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
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Public Library of Science
2010
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2978710/ https://www.ncbi.nlm.nih.gov/pubmed/21085655 http://dx.doi.org/10.1371/journal.pone.0013956 |