The Dead Sea Sparrow: one or two species?
Combining several lines of evidence to reach a solid taxonomic decision.
Combining several lines of evidence to reach a solid taxonomic decision.
Could it be due to thermoregulation or food quality?
Are grey colour morphs better protected against predation?
Human activities determine the daily schedule of overwintering birds in Spain.
What is the best method to quantify the frequency of nest-switching?
Earlier lekking activities enable these birds to cope with changing weather patterns.
Mapping the distribution of parasites across Himalayan bird species.
Loss of native bird species affects plant reproduction in New Zealand.
Western Bluebirds tend to produce more sons at the start of the breeding season.
Could these colour patterns function as camouflage?