Japanese Bush-Warbler

Horornis diphonedue

Order

PASSERIFORMES

Family

Bush Warblers, Tesias and Allies (Cettidae)

Code 4

JABW

Code 6

CETDIP

ITIS

Breeding Type:

Monogamous



Egg Color:

Red-brown



Number of Eggs:

5



Incubation Days:

16



Egg Incubator:

Female



Nest Location:

In a shrub or bush up to 3 feet above ground.



Nest Material:

Strips of bamboo and twigs.



Migration:

Nonmigratory



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General

Japanese Bush-Warbler: Gray-brown upperparts, rufous-brown edged wings and long, rounded olive-brown tail. Eyebrows aregray-white and tan, gray underparts, buff-white supercilium, long black eye stripe; cheek and ear coverts mottled gray-brown; chin and throat to belly cream, with a buff wash across breast, olive-brown flanks and undertail coverts; upper mandible brown, lower mandible pink; legs pink. Sexes are similar, male larger than female. Juvenile similar with buff to pale yellow underparts.

Breeding and Nesting

Japanese Bush-Warbler: During the breeding season these warblers make a Hoohokekyo sound. They prefer to nest in the cross of a tree. Four to six eggs are laid in a domed nest made of bamboo leaves and thin strips of vegetation. The nest is placed three feet above the ground in a bush or scrubby vegetation, and incubation lasts for 16 days.

Foraging and Feeding

Japanese Bush-Warbler: These warblers are very active insect eaters, though they sometimes also dine on nectar and fruit. They find different insects in trees and on the ground in the lush forest. Their broad wings help them to soar down and get their food quickly. They forage in low vegetation for small insects, spiders and berries.

Vocalization

Japanese Bush-Warbler: Song is a pleasant series of five or six fast notes that go up in scale, including “hot-ket-kyot”, “pe-chew, pe-chew, pe-chew” and a short series of loud whistles, “koo-goo-oo-oo-ook” and “tulee-tulee”. Call is a dry “tchet tchet tchet”, hard “chat-chat” or short, rattling “trrt”.

Similar Species

Japanese Bush-Warbler: Longer tail and more prominent eyebrow than the Nihoa Millerbird and does not occur on the same island.

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UnderpartsX

Belly, undertail coverts, chest, flanks, and foreneck.

UpperpartsX
Back, rump, hindneck, wings, and crown.
BellyX
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
BreastX
The upper front part of a bird.
ChinX
The area of the face just below the bill.
Lower mandibleX
The lower part of the bill.
SuperciliumX
Also called the superciliary, it is the arch of feathers over the eye.
Upper mandibleX
The upper part of the bill.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X