Tundra Swans on Espanola Island
Christina Shlecka/Alamy
Finches found only in the Galapagos Islands are attacked by blood-sucking fly larvae, but city-dwelling finches may have an edge compared to rural finches. Less bleeding during invasion and higher survival rate.
bird vampire flies (Philonis Daunsi) was accidentally introduced to the Galapagos Islands decades ago. The flies lay their eggs in the birds’ nests, after which the maggots that hatch burrow into the chicks’ skin and drink their blood. The spread of invasive parasites…
