Buteo solitarius | Hawaiian hawk | ʻio
Endemic
Other Names: io
Not many birds are as graceful and stately as the native ʻio, or Hawaiian hawk, seen soaring over fields, forest edges, and even towns. ʻIo are between 16-18 inches long, males are smaller than females. There are two major color phases that can be observed: dark phase birds are dark brown throughout; and light phase birds are dark brown above, and light below with some streaking. ʻIo are associated with Hawaiian royalty, partly because of their ability to soar higher than any other native bird.
The map below shows birding trails where you might see this bird. Learn more by visiting our species profile page for ʻio.
Hotspots for Hawaiian hawk
- Keāhole Point | Details for Keāhole Point
- Kaloko-Honokōhau National Historic Park | Details for Kaloko-Honokōhau National Historic Park
- Honua‘ula Forest Reserve (Makāula -‘O‘oma section) | Details for Honua‘ula Forest Reserve (Makāula -‘O‘oma section)
- Pu‘u Wa‘awa‘a ʻŌhiʻa Trail | Details for Pu‘u Wa‘awa‘a ʻŌhiʻa Trail
- Waiki‘i (off Old Saddle Road) | Details for Waiki‘i (off Old Saddle Road)
- Palila Forest Discovery Trail | Details for Palila Forest Discovery Trail
- Pu‘u Huluhulu Trail | Details for Pu‘u Huluhulu Trail
- Pu‘u ‘Ō‘ō Trail | Details for Pu‘u ‘Ō‘ō Trail
- Kaulana Manu Nature Trail | Details for Kaulana Manu Nature Trail
- Kaūmana Trail | Details for Kaūmana Trail
- Wailoa River State Park | Details for Wailoa River State Park
- Loko Waka Pond | Details for Loko Waka Pond
Keāhole Point
Coastal
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Keahole-Point-300x180.jpg)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Kaloko-Honokōhau National Historic Park
Wetland
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kaloko-Honokohau-NHP-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Bathroom Bathroom](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/restrooms.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Ranger Station Ranger Station](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/ranger-station.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Honua‘ula Forest Reserve (Makāula -‘O‘oma section)
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Honuaula-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Pu‘u Wa‘awa‘a ʻŌhiʻa Trail
Dry forestPasture and grasslands
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/PuuWaawaa-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Bathroom Bathroom](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/restrooms.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Waiki‘i (off Old Saddle Road)
Pasture and grasslands
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Waikii2-300x180.jpg)
![Driving Driving](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/car.png)
Palila Forest Discovery Trail
Dry forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Palila-Forest-Discovery-Trail-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Pu‘u Huluhulu Trail
Dry forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Puu-Huluhulu-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Bathroom Bathroom](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/restrooms.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Pu‘u ‘Ō‘ō Trail
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Puu-Oo-Trail-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Kaulana Manu Nature Trail
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kaulana-Manu-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Bathroom Bathroom](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/restrooms.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Kaūmana Trail
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kaumana-Trail-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Interpretive Signage Interpretive Signage](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/signage.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Wailoa River State Park
Wetland
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Wailoa-1-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Loko Waka Pond
Wetland
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Lokowaka-300x180.jpg)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.png)
![Bathroom Bathroom](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/restrooms.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)