1: Hummingbird nests are tiny and often cup-shaped, while other bird nests vary in size and shape.

2: Hummingbirds use soft materials like feathers, moss, and lichen to build their nests, unlike other birds who use twigs and leaves.

3: Hummingbird nests are lined with down and spider silk for flexibility, while other birds use mud and grass for sturdiness.

4: Hummingbird nests are built in protected locations like trees or shrubs, while other bird nests can be found in various places like on the ground or in cliffs.

5: Hummingbirds lay 1-3 eggs in their nests, while other birds can lay up to a dozen eggs in their nests.

6: Hummingbird chicks are blind and featherless when born, unlike other bird chicks who are born with feathers and can see.

7: Hummingbird parents feed their chicks regurgitated nectar and insects, while other bird parents feed their chicks insects and seeds.

8: Hummingbird nests are often reused year after year, while other bird nests are usually abandoned after one breeding season.

9: Overall, the differences between hummingbird nests and other bird nests showcase the unique adaptations and behaviors of these fascinating creatures.