Last Updated: Wednesday, May 8, 2013, 14:07
Female sparrows invest more energy into laying eggs according to the male`s ability to fill the nest with feathers which serves to insulate the chicks from the cold.
Last Updated: Monday, March 19, 2012, 13:12
Sparrows are amongst the most abundant bird species in urban areas, but we still need to conserve their habitat.
Last Updated: Thursday, June 24, 2010, 15:45
The population of house sparrows is fast declining due to dangers posed to their survival by a host of factors.
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