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Heavy metals in northern Chilean rivers: spatial variation and temporal trends.
Arrival date, age and breeding success in white stork Ciconia ciconia
It was shown that age was the factor most closely related to arrival date and breeding success, and food availability in the study area throughout the breeding cycle could be the factor mitigating differences in clutch size and nestling success related to individual arrival date.
Avian responses to fragmentation of the Maulino Forest in central Chile
Overall abundance in pooled and ground/understorey birds was higher in forest fragments and pine plantations compared to continuous forest, but the abundance of granivorous species was higherin the forest reserve and in forest fragment than in pine plantations, indicating that forest fragmentation affects birds differentially according to their feeding ecology.
Age and breeding success related to nest position in a White stork Ciconia ciconia colony
Multivariate heredity of melanin-based coloration, body mass and immunity
The results provide an insight into the evolution of multivariate traits genetically related with melanin-based coloration by using long-term data over an 18-year period collected in a wild population of the common kestrel Falco tinnunculus.
Sex, melanic coloration, and sibling competition during the postfledging dependence period
This study studied sibling competition over 3 years during the postfledgling dependence period in the Eurasian kestrel Falco tinnunculus, a reversed sexually size dimorphic species, finding that male fledglings showed a higher competitive capacity than females resulting from their greater success in capturing larger prey items delivered by parents.
Nest Size, Nest Building Behaviour and Breeding Success in a Species with Nest Reuse: The White Stork Ciconia ciconia
The results suggest that storks may seek and compete for bigger nests and that nest size could be an indicator of individual and/or nest-site quality.
Reaching independence: food supply, parent quality, and offspring phenotypic characters in kestrels
The results suggest that parent, rather than offspring characteristics, can modulate the PFDP duration mediated by food conditions, although more colored nestlings stay in the nest territory for longer periods.
Nest‐site fidelity and breeding success in White Stork Ciconia ciconia
It is shown that pairs with higher fidelity rates also have lower failure rates, and that breeding failure and productivity in the previous season influenced the frequency of nest change in the following season.
Deforestation in central Chile causes a rapid decline in landscape connectivity for a forest specialist bird species
- P. Vergara, C. G. Pérez-Hernández, I. Hahn, Gerardo E. Soto
- Environmental ScienceEcological Research
- 6 March 2013
The abundance of woodland birds in fragmented forest landscapes may depend on the properties of patch networks. Understanding the consequences of deforestation on woodland birds, therefore,…