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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Ecological links between morphology and habitat selection in passerines
 Bovšková, Denisa ; Hořák, David (advisor) ; Klvaňa, Petr (referee)
The thesis is focused on relations between avian morphology and habitat selection. This is a summary of comparative studies, dealing this problematics in closely related groups of passerines. Generally, we can classify species to two main groups according to habitat preferences. Aerial species have longer wings probably as a result of adaptation on move in the air and open spaces. In contrast, ground species have generally longer legs as adaptation for running on the ground and pedal locomotion. Longer tarsi are also documented in ground species living in vegetation cover. Species which prefer tall vegetation have short leg probably for better move in branches. Less pronounced morphological differences further reflect habitat preferences at smaller spatial scales within habitat types mentioned above. In addition, some studies reveal that morphological variation reported frequently as reflecting adaptations to feeding preferences shows some links to environmental variation (substrate structure) independent of diet composition, such as bill morphology. Powered by TCPDF (www.tcpdf.org)
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