Dunnock relatively lower success for females. In times of scarcity, female territories expand to accommodate the lack of resources, causing males to have a more difficult time monopolizing females. Hence, females gain a reproductive advantage over males in this case. The dunnock possesses variable mating systems. Females are often polyandrous, breeding with two or more males at once, which is quite rare among birds. This multiple mating system leads to the development of sperm competition amongst the male suitors. DNA fingerprinting has shown that chicks within a brood often have different fathers, depending on the success of the males at monopolising
Huma bird Huma bird The Huma (, pronounced "Homā", Avestan: "Homāio"), also Homa, is a mythical bird of Iranian legends and fables, and continuing as a common motif in Sufi and Diwan poetry. Although there are many legends of the creature, common to all is that the bird is said never to alight on the ground, and instead to live its entire life flying invisibly high above the earth. There are numerous folk interpretations of the name, among them that of the Sufi teacher Inayat Khan, who supposed that "in the word "Huma", "hu" represents spirit, and the word "mah" originates from