Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 5 of 5 for “"Saxicola"”.
-
Determinants of variation in productivity, adult survival and recruitment in a declining migrant bird : the Whinchat (Saxicola rubetra)
… migrant birds, including the Whinchat (Saxicola rubetra), have shown severe declines over the last few decades. Habitat change on the breeding grounds, especially agricultural intensification, is thought to be the main driver of the decline in Whinchats. However, recent evidence also …
-
Site fidelity and territorial behaviour of some migratory passerine species overwintering in the Mediterranean area
… conspecifics, Black Redstarts and Stonechats (Saxicola torquata). Only two behaviors (territorial and non-territorial birds) were recorded. The attack rate against intruders was significant higher 1) on conspecifics, 2) early in the season, 3) when the temperature of previous days had been …
-
Taxonomia, variação morfológica e distribuição geográfica das espécies do grupo Hyla circumdata (Cope, 1870) (Amphibia, Anura, Hylidae)
… H. pseudopseudis Miranda-Ribeiro, 1937 and H. saxicola Bokermann, 1964. Hyla martinsi Bokermann, 1964 and H. langei Bokermann, 1965 were grouped together, characterized by developed humeral crest and bifid prepollex. Hyla clepsydra A. Lutz, 1925 and H. claresignata Lutz and Lutz, 1939 were …
-
The feeding ecology of deposit-feeding holothurians
… symmetry in some species, e.g. Pawsonia saxicola (Brady and Robertson) (McKenzie, 1991). The ventral surface is composed of 3 ambulacral rows and is termed the bivium, the dorsal surface has 2 ambulacral rows and is termed the bivium. The mouth is positioned at the anterior end of the …