The declining-population paradigm holds that small populations are particularly vulnerable
to anthropogenic influences such as habitat destruction, pollution and species introductions …

Signals of aggression may potentially reduce the fitness costs of conflict during agonistic
interactions if they are honest. Here we examined whether the 'buzz'vocalization in two …

On Floreana, the smallest inhabited island in the Galápagos, populations of several species
of birds have either been extirpated or, based on anecdotal evidence and small‐scale …

The consequences of hybridization for biodiversity depend on the specific ecological and
evolutionary context in which it occurs. Understanding patterns of gene flow among …

The composition and diversity of bacteria forming the microbiome of parasitic organisms
have implications for differential host pathogenicity and host–parasite co‐evolutionary …

Introduced parasites that alter their host's mating signal can change the evolutionary
trajectory of a species through sexual selection. Darwin's Camarhynchus finches are …

Darwin's finch species in the Galapagos Archipelago are an iconic adaptive radiation that
offer a natural experiment to test for the various factors that influence gut microbiome …

Invasive species are one of the greatest threats to biodiversity, with endemic species on
islands being at particular risk. Management programs can help to minimize these impacts …

Hybridization can increase adaptive potential when enhanced genetic diversity or novel
genetic combinations confer a fitness advantage, such as in the evolution of anti-parasitic …

Empirical data that identify contemporary mechanisms of divergence shed light on how
species could multiply. In this study, we measured population genetic structure, song …