Dunnock the female. Males try to ensure their paternity by pecking at the cloaca of the female to stimulate ejection of rival males' sperm. Dunnocks take just one-tenth of a second to copulate and can mate more than 100 times a day. Males provide parental care in proportion to their mating success, so two males and a female can commonly be seen provisioning nestlings at one nest. Other mating systems also exist within dunnock populations, depending on the ratio of male to females and the overlap of territories. When only one female and one male territory overlap, monogamy is preferred. Sometimes,
Common nightingale Common nightingale The common nightingale or simply nightingale ("Luscinia megarhynchos"), also known as rufous nightingale, is a small passerine bird best known for its powerful and beautiful song. It was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae. It belongs to a group of more terrestrial species, often called chats. "Nightingale" is derived from "night", and the Old English "galan", "to sing". The genus name "Luscinia" is Latin for "nightingale" and "megarhynchos" is from Ancient Greek "megas", "great" and "rhunkhos" "bill". The common nightingale is