Select 3 that apply.

Walking birds include:
kiwi
eagles
emu
raptors
ostrich

kiwi, emu, ostrich

The bones of flying birds are _____.

weak
dense
heavy
wide
hollow

hollow

To determine which of the given options are walking birds, we need to understand the characteristics of each bird.

1. Kiwi: Kiwi is a flightless bird native to New Zealand. It has small wings and strong legs, which are adapted for walking. Therefore, kiwi is a walking bird.

2. Eagles: Eagles are known for their powerful flight capabilities. Although they have strong legs, they primarily rely on soaring through the air instead of walking. Therefore, eagles are not considered walking birds.

3. Emu: Emu is the second-largest living bird and is native to Australia. It possesses long legs adapted both for running and walking. Emu is indeed a walking bird.

4. Raptors: Raptors, also known as birds of prey, include various species such as hawks, falcons, and owls. While these birds have strong legs, they primarily use them for grasping prey and perching rather than walking. Therefore, raptors are not considered walking birds.

5. Ostrich: Ostrich is the largest living bird and is native to Africa. It possesses strong, long legs that enable it to run at high speeds, making it one of the fastest land animals. In addition to running, ostriches also walk. Therefore, ostrich is a walking bird.

Based on the explanations above, the three birds that are considered walking birds are:
1. Kiwi
2. Emu
3. Ostrich