What happens after an island subspecies colonizes the mainland? A case study of non-migratory Allen’s Hummingbird

Blog written by Brian Myers. Read the full paper here. Featured image shows the breeding distribution of non-migratory Allen's Hummingbird, pictured in (a), and (b) shown in comparison to the southern distribution of migratory Allen's Hummingbird, with the area of breeding overlap between the two subspecies circled in red. Off the coast of southern California,... Continue Reading →

Is bigger better? Does whole genome duplication confer immune gene advantage in Corydoradinae catfishes.

Written by Ellen Bell, featured photo by Martin Taylor. Read the full paper here. Whole genome duplication (WGD) or polyploidy is the process by which the entire nuclear genome of an organism is copied at least once. This can occur within species (autopolyploidy) or as a result of hybridisation between species (allopolyploidy). Polyploidisation events are... Continue Reading →

Intraspecific aggression in beavers

Blog written by Martin Mayer. Read the full paper here. Picture of Eurasian beaver from study population in Norway by Martin Mayer. Animals fight for different reasons, e.g., for access to food, territories or mating partners, to reinforce their social status within a group, or to fight off predators. Thus, by looking at what affects... Continue Reading →

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