The White-crowned Sparrow [Zonotrichia leucophrys] is one of the sleekest looking sparrows. Like many sparrow species, it is understudied and has a number of subspecies that may be true species. Because male White-crowned Sparrows learn the songs they grew up with and do not travel far from where they were raised, song dialects frequently form.
Continue reading 31 Cool Bird Facts #30 – White-crowned Sparrow