Question

Birds have a keen sense of _____ and rely on this sense the most.

Answer 1

Answer:

Sight

Explanation:

Birds have a much sharper vision than humans. In fact, they enjoy the ability to see the ultraviolet rays (UV rays), which for humans is impossible without the use of equipment. The eyes of a bird accounts for about 15% of their whole head (unlike Human eyes, which are about 2% of a humans head).

Answer 2

Birds have a seen keen sense of sight and rely on this sense the most 

Hope this helps!! :D