City life may help Darwin’s finches survive bloodsucking flies


A small-billed floor finch on Española Island

Krystyna Szulecka/Alamy

Finches discovered solely within the Galapagos Islands are below assault from bloodsucking fly larvae, however people who stay in cities could have an edge in contrast with their countryside counterparts: they lose much less blood and have greater charges of survival throughout infestations.

The avian vampire fly (Philornis downsi) was by accident launched to the Galapagos archipelago just a few a long time in the past. The flies lay eggs in chook nests, the place maggots that hatch later burrow into nestlings’ pores and skin and drink their blood. Infestations of the invasive parasites …