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
Common Bird Monitoring of India Common Bird Monitoring of India The Common Bird Monitoring Program is a citizen science bird monitoring program of India. It is a pioneer project that aims to engage general public in the collection of baseline data on 18 common bird species. Data collected will be used to map species abundance and distribution throughout the Indian subcontinent. The program is an initiative of the Nature Forever Society, supported by the Jaypee Group. It was launched in the city of Mumbai on World Sparrow Day, 20 March 2012. Bombay Natural History Society (BNHS), Mumbai launched its Common Bird Monitoring Program in 2015.