15 Smallest Birds in the World

3. Bumblebee Hummingbird
Bumblebee Hummingbird perching on flower
Bumblebee Hummingbird – Photo by Ron Knight (CC BY 2.0)
The bumblebee hummingbird (Selasphorus heloisa) is the second-smallest bird, only after a member of its own family – the bee hummingbird.

The bumblebee hummingbirds grow only up to 3 inches and weigh no more than 0.1 ounces.

These little birds feed on nectar and fly from flower to flower, searching for food. On average, they visit up to 1,500 flowers per day.

Males are super territorial and aggressively defend their territories in case of intrusions. Female bumblebees are more of the caregivers.

When nesting, the female hummingbirds are known for their hunting prowess and can capture almost 2,000 insects in a single day!
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