Horornis diphone | Japanese bush-warbler
Introduced
Other Names: uguisu, ウグイス
The uguisu or Japanese bush warbler is less than 6-inches long with drab brown feathers and pale eyebrows. A secretive bird, they hide in dense foliage and so, more often than not, the average bird watcher will hear this bird rather than see it. It has a loud sustained whistle followed by several quick notes that “say” itʻs name (“uguisu!”). Birds usually sound closer than they really are.
Hotspots for Japanese bush-warbler
- Kuilau Trail | Details for Kuilau Trail
- Nuʻupia Ponds | Details for Nuʻupia Ponds
- Kapiʻolani Park | Details for Kapiʻolani Park
- Wiliwilinui Access Road and Ridge Trail | Details for Wiliwilinui Access Road and Ridge Trail
- Kawainui Marsh | Details for Kawainui Marsh
- Waimea Valley | Details for Waimea Valley
- Keālia Pond National Wildlife Refuge | Details for Keālia Pond National Wildlife Refuge
- Kanahā Pond State Wildlife Sanctuary | Details for Kanahā Pond State Wildlife Sanctuary
- SIDE TRIP: Wai‘ānapanpa State Park | Details for SIDE TRIP: Wai‘ānapanpa State Park
- Kahakapao Recreation Area | Details for Kahakapao Recreation Area
- Polipoli Spring State Recreation Area | Details for Polipoli Spring State Recreation Area
- Waikamoi Preserve (The Nature Conservancy-PRIVATE) | Details for Waikamoi Preserve (The Nature Conservancy-PRIVATE)
- Hosmer Grove (Haleakalā National Park) | Details for Hosmer Grove (Haleakalā National 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
Kuilau Trail
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kuilau-Trail-e1713385169200-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.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)
Nuʻupia Ponds
Wetland
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
Kapiʻolani Park
Pasture and grasslands
![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)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Wiliwilinui Access Road and Ridge Trail
Wet forest
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Wiliwilinui-Access-Road-and-Ridge-Trail-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Kawainui Marsh
Wetland
![](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kawainui-Marsh-300x180.jpeg)
![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)
Waimea Valley
Wet forestWetland
![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)
Keālia Pond National Wildlife Refuge
Wetland
![Kealia Pond National Wildlife Refuge](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Kealia-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.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)
Kanahā Pond State Wildlife Sanctuary
Wetland
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
SIDE TRIP: Wai‘ānapanpa State Park
Coastal
![Waianapanapa State Park](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Waianapanapa-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.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)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Kahakapao Recreation Area
Wet forest
![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)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Polipoli Spring State Recreation Area
Dry forest
![Driving Driving](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/car.png)
![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)
![Picnic area Picnic area](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/picnic.png)
![Trash Trash](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/trash.png)
Waikamoi Preserve (The Nature Conservancy-PRIVATE)
Wet forest
![TNC Waikamoi Preserve](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Waikamoi-300x180.jpg)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Parking Parking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/parking2.png)
Hosmer Grove (Haleakalā National Park)
Dry forest
![Hosmer Grove](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/Hosmer-300x180.jpg)
![Driving Driving](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/car.png)
![Hiking Hiking](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/hiking.png)
![Lookout Lookout](https://hawaiibirdingtrails.hawaii.gov/wp-content/uploads/lookout.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)