One can see many eagles, harriers, falcons, buzzards, kestrels and vultures. Species of birds of prey include hawks, owls, falcons, kestrels, vultures. Lesser hunters include kestrels and eagle owls. Hummingbirds, kestrels, terns and hawks use this wind hovering. American kestrels also commonly utilize nesting boxes. Surveys of lesser kestrels wintering in January 2007 by the revealed them roosting communally. Among the wildlife species found there are butterflies, dragonflies, kestrels, swallows and house martins. He shares his first name, with the genus of falcons and kestrels. One important use of American kestrels is in falconry. American kestrels likely prey on the adults. Common kestrels eat almost exclusively mouse-sized mammals. It also hovers like several other kestrels. The resulting pastures provided an ideal habitat for kestrels. Common kestrels measure from head to tail, with a wingspan of . All common kestrels have a prominent black malar stripe like their closest relatives.