منابع مشابه
Effect of Vegetation Structure on Bird Vocalizations
In preparing for my presentation, I was recommended several review articles from compilations on bird vocalizations. I based much of my presentation on this particular review. It is a bizarre combination of a little bit of ethology and a good many predictions on how environmental features should influence the evolution of characteristics of bird song such as frequency, amplitude, modulatory emp...
متن کاملCompetition and the structure of bird communities.
Now welcome, the most inspiring book today from a very professional writer in the world, competition and the structure of bird communities. This is the book that many people in the world waiting for to publish. After the announced of this book, the book lovers are really curious to see how this book is actually. Are you one of them? That's very proper. You may not be regret now to seek for this...
متن کاملBird Mite Infestation
Mites in the genus Dermanyssus are external parasites of birds, rodents and other mammals. The most common member of this group is the Chicken Mite that infests poultry roosts and wild bird nests. The chicken mite feeds primarily at night when the birds return the nest or roast area. They hide during the day in nearby cracks, crevices and other protected sites. These mites are known to infest h...
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Hierarchical structure in bird-habitat associations can arise from hierarchical structure in environmental variables and from the scale-dependent responses of birds to habitat. Hierarchical structure in environmental variables is expected to result from interactions between variables that differ in grain size (spatial resolution) and frequency, and should occur commonly. Birds cannot accurately...
متن کاملDNA Barcode Detects High Genetic Structure within Neotropical Bird Species
BACKGROUND Towards lower latitudes the number of recognized species is not only higher, but also phylogeographic subdivision within species is more pronounced. Moreover, new genetically isolated populations are often described in recent phylogenies of Neotropical birds suggesting that the number of species in the region is underestimated. Previous COI barcoding of Argentinean bird species showe...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1965
ISSN: 0032-5791
DOI: 10.3382/ps.0440901