1. Bee hummingbird is the smallest bird on Earth with a length of only about 5 cm and weighing about 1.8 grams.
2. Smicrornis Brevirostris bird has a length of about 8-9 cm.
3. Pardalotus birds are about 8.5-12 cm in size.
4. The golden brass bird is about 12 cm long.
5. The yellow crested bird is the smallest bird in Europe, 8.5-9.5 cm.
6. Gerygone Mouki bird has a length of about 10 cm.
7. The American golden pine is a small bird, 11–14 cm long, with wingspan of 19–22 cm, mass of 11–20 g.
8. Coereba Flaveola bird has a length of about 10.5-11.5 cm.
9. Setophaga Pitiayumi bird is about 11 cm long.
10. Birds Epthianura Tricolor has a length of about 10 - 13 cm.