caa a22 4500 469095962 CHVBK 20180323133030.0 cr unu---uuuuu 170328e19921201xx s 000 0 eng 10.1007/BF00317470 doi (NATIONALLICENCE)springer-10.1007/BF00317470 Poiani Aldo Department of Zoology, La Trobe University, 3083, Bundoora, Victoria, Australia aut Ectoparasitism as a possible cost of social life: a comparative analysis using Australian passerines (Passeriformes) [Elektronische Daten] [Aldo Poiani] The hypothesis that cooperative breeding entails a cost in terms of transmission of ectoparasites was tested by a comparative analysis among sympatric Australian passerines. The general trend found using the allometry method and outgroup analysis indicates that contagious ectoparasites are not more common on cooperatively breeding than on non-cooperatively breeding hosts. Body weight, migratory patterns and relative abundance of hosts are factors far more important than cooperative breeding that affect the levels of ectoparasitism in the host genera studies. Ectoparasitism increases with host body weight and relative adundance, while sedentary host genera tended to show less hippoboscid fly diversity than migratory host genera. There is an interaction between breeding system and migratory pattern when relative density of contagious ectoparasites (i.e. mites, ticks and bird lice) is considered: the number of contagious ectoparasites per host is larger on cooperatively breeding host genera than on non-cooperatively breeding host genera among sedentary passerines, but the trend is reversed for migrant passerines. Springer-Verlag, 1992 Ectoparasites nationallicence Cooperative breeding nationallicence Passeriformes nationallicence Australian birds nationallicence Oecologia Springer-Verlag 92/3(1992-12-01), 429-441 0029-8549 92:3<429 1992 92 442 https://doi.org/10.1007/BF00317470 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00317470 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Poiani Aldo Department of Zoology, La Trobe University, 3083, Bundoora, Victoria, Australia aut NATIONALLICENCE 773 0- Oecologia Springer-Verlag 92/3(1992-12-01), 429-441 0029-8549 92:3<429 1992 92 442 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer