The short answer: A typical sparrow weighs between 24 and 40 grams (about 0.85 to 1.4 ounces), depending on the species.
Sparrow weight by type
Sparrow weight varies by species. Here are typical figures.
| Type (example) | Typical weight |
|---|---|
| Chipping sparrow | About 11 to 16 g (0.4 to 0.56 oz) |
| Song sparrow | About 18 to 28 g (0.63 to 0.99 oz) |
| House sparrow | About 24 to 40 g (0.85 to 1.4 oz) |
| White-throated sparrow | About 22 to 32 g (0.78 to 1.1 oz) |
What affects sparrow weight
- Species. Sparrow species differ in body size, so weights vary.
- Season. Birds store fat for winter and migration, gaining weight.
- Sex. Males and females can differ slightly within a species.
- Food supply. Well-fed birds carry more body fat.
- Time of day. Sparrows are lightest in the morning after burning fuel overnight.
How sparrow weight compares
A house sparrow at about 30 grams weighs roughly the same as six US quarters or a single AA battery.
Frequently asked questions
How much does a house sparrow weigh?
A house sparrow typically weighs about 24 to 40 grams (0.85 to 1.4 ounces), making it one of the heavier common sparrows.
Why do sparrows gain weight in winter?
Sparrows build up fat reserves to survive cold nights and food shortages, so they tend to be heaviest in winter.
Are all sparrows the same weight?
No. Different sparrow species range from around 11 grams for small ones to about 40 grams for larger species.
