Do hummingbirds have a sense of smell?

It's a bit of a tricky question! While hummingbirds do have olfactory bulbs (the part of the brain responsible for smell), their sense of smell is not well understood.

Here's what we know:

* Limited research: There hasn't been a lot of scientific research specifically on hummingbird olfaction.

* Possible uses: Some researchers believe hummingbirds may use their sense of smell to:

* Find nectar: Some flowers produce strong scents to attract pollinators, and hummingbirds might use their sense of smell to find these flowers.

* Identify mates: Scents could play a role in recognizing potential mates.

* Navigate: Hummingbirds are known for long migrations, and they may use smell to orient themselves.

* Further investigation needed: More research is needed to understand the specific role of smell in the life of hummingbirds.

Overall, while hummingbirds do have olfactory bulbs, the extent to which they use smell is still unknown. It's possible they use it for a variety of purposes, but further investigation is needed to confirm this.