期刊
PARASITOLOGY RESEARCH
卷 121, 期 10, 页码 2831-2840出版社
SPRINGER
DOI: 10.1007/s00436-022-07621-5
关键词
European Robin; Haemoproteus; Plasmodium; Genetic lineages; Timing of migration; Body condition; Autumn
类别
资金
- University of Pannonia
- Hungarian Ministry of Human Capacities [NTP-NFTO-16-0493]
- National Scientific Research Fund of Hungary (OTKA) [108571]
- National Research, Development and Innovation Office [K132490, PD124043, FK127917]
- Ministry of Innovation and Technology [UNKP-19-4-ELTE-460]
- Hungarian Academy of Sciences [BO/00163/22]
This study investigated the effects of haemosporidian blood parasites on bird migration. The results showed that parasite infection did not have a significant effect on the body condition of the birds, but infected juveniles arrived later than non-infected individuals. The impacts of distinct parasite lineages on bird condition during migration may vary.
Haemosporidian blood parasites are widely used in evolutionary ecological research when exploring the effects of parasites on different life-history traits of their bird hosts. However, their roles in bird migration are less studied. If these parasites deteriorate the body condition of the birds strongly, they might negatively affect the whole migration phenology and the survival of the birds as well. In our study, we tested the relationships between infection for parasite genera (Haemoproteus or Plasmodium), the three most frequent parasite lineages and body condition (body mass, fat deposit), and the timing of autumn migration in the European Robin (Erithacus rubecula). We found that mean body mass and fat scores did not differ between parasitized and non-parasitized individuals, but infected juveniles arrived later than their non-infected counterparts. The difference in the arrival time of parasitized and non-parasitized birds was greater in the case of Haemoproteus infections. However, when we analysed the effects of the distinct parasite lineages separately, we found that prevalence of parasite lineages correlated with the body mass, fat storage, and timing of autumn migration of the birds in a different direction. Our results therefore emphasize the importance of testing the impacts of the different parasites individually, because possible lineage-specific effects on bird condition during migration might exist.
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