bird of the day: the java sparrow

the java sparrow is a small passerine bird native to parts of indonesia (though it has established feral colonies in other places). the java sparrow is also known as the java finch and the java rice-eating bird.

like the name rice-eating bird may imply, in some places the java sparrow has become an agricultural pest. naturally, the sparrow feeds off of grains and seeds, but they have been known to feed extensively in rice paddies. this has led to regulations on the sparrow, particularly in the us. in the state of california, it is illegal altogether to own a java sparrow.

despite this, the java sparrow remains a popular, well-loved pet. records of this bird in captivity date back to ming dynasty china. the java sparrow has remained a common pet in much of the world. it’s popularity in the us declined after laws were put in place banning import of wild birds. however, it is still well-known and well-loved. the java sparrow is known in captivity for its friendliness, ability to be a part of a mixed-species aviary, and relatively low maintainence.

in the wild, java sparrows live in large flocks. males and females are almost impossible for humans to tell apart, as they share the same plumage. however, the male performs a song and dance the female does not. java sparrows nest in trees, or buildings if given the opportunity, and raise 3-8 eggs.

unfortunately, recently the java sparrow has faced a decline in numbers. habitat loss and hunting have caused the java sparrow’s decline. they are now listed as vulnerable by the iucn. hopefully, this trend reverses and they become as common in the wild as they are in our households.

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