March 20

World Sparrow Day

World Sparrow Day

The house sparrow, formerly a common, ubiquitous songbird, is now a disappearing species in many European countries. Due to the decline of sparrows, the Nature Forever Society has declared March 20 as World Sparrow Day since 2010.

The population of sparrows is dramatically decreasing worldwide, including in the Czech Republic, where the numbers of house sparrows and tree sparrows have decreased by millions in recent decades. The decline can be attributed to various factors, such as changes in agricultural practices leading to food scarcity, loss of nesting opportunities due to insulation methods in buildings, and changes in urban greenery. The intensification of agriculture also affects the population of tree sparrows by reducing their food sources. The World Sparrow Day is an official event dedicated to raising awareness about the declining sparrow population. House sparrows are larger and predominantly live near human settlements, while tree sparrows are more associated with agricultural landscapes. Both species have distinct coloration patterns. The male house sparrow has dark brown wings, a grey head, and a black bib, while the female is light brown. Tree sparrows have a chestnut-brown head and a black spot on their white cheeks.

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