House sparrow (Passer domesticus) Male Sparrow sitting content on a fence. Marton Mere, Lancashire, UK House sparrow (Passer domesticus) Male sparrow sitting on a fencepost taking a break from feeding in amongst the bushes and shrubs. The house sparrow is on the Red list of conservation concern in the UK due to breeding population decline, and it's main predators being cats and birds of prey. The House Sparrow was among the first animals to be given a scientific name.