Which is heavier the smallest bird or smallest insect?

The smallest bird, the bee hummingbird, weighs about 1.6 grams, while the smallest insect, the fairyfly, can weigh as little as 0.0002 grams. Therefore, the smallest bird is significantly heavier than the smallest insect. In fact, the weight difference is quite substantial, highlighting the tiny size of the smallest insects compared to even the smallest birds.