Limits to host colonisation and speciation in a radiation of parasitic finches

Gabriel Jamie, Silky Hamama, Collins Moya, Rebecca Kilner & Claire Spottiswoode
Parasite lineages vary widely in species richness. In some clades, speciation is linked to the colonisation of new hosts. This is the case in the indigobirds and whydahs (Vidua), brood-parasitic finches whose nestlings mimic the phenotypes of their specific hosts. To understand the factors limiting host colonisation, and therefore speciation, we simulated the colonisation of a host using cross-fostering experiments in the field. Despite DNA barcoding suggesting that host species feed their chicks similar diets,...
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2 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?