Yellow Bittern

Ixobrychus sinensis

Order

PELECANIFORMES

Family

Bitterns, Herons and Egrets (Ardeidae)

Code 4

Non-AOU

Code 6

IXOSIN

ITIS

Egg Color:

White-green



Number of Eggs:

3 - 5



Incubation Days:

21



Egg Incubator:

Both sexes



Nest Location:

Nest is built in a grass tussock, bush or short tree in, or neat a wetland, 2 to 3 feet above the water.



Nest Material:

Sticks



Migration:

Migratory



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General

Yellow Bittern: Small heron with red-brown upperparts, black-gray crown, yellow-brown on sides of neck and shoulder of wing, and white underparts with yellow-brown streaks on throat. Brown-yellow eye. Fairly long, brown-yellow bill with black-gray on top of culmen. Long, broad wings with black flight feathers. Short, black, square-shaped tail. Medium-length, gray-yellow legs and feet. Feeds on small fish, frogs, and insects.

Breeding and Nesting

Yellow Bittern: Three to five white-green eggs are laid in a small platform nest constructed with reed stems, grass and leaves. The nest is built in a grass tussock, bush, or short tree in or near a wetland, two to three feet above the water. Incubation is carried out by both sexes for 21 days.

Foraging and Feeding

Yellow Bittern: Feeds on small fish, frogs, and insects. This small heron forages by patiently waiting in marsh vegetation just above or at the edge of the water. When prey comes within range, it quickly thrusts down with its bill to catch it.

Vocalization

Yellow Bittern: Emits a soft, slurred "oo-oo-oo" or "crrw-crrw."

Similar Species

Rufous Night-Heron is larger, and has a plain breast. Von Schrenk's Bittern is darker and has a vertical dark brown line down the middle of its breast.

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UnderpartsX

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

UpperpartsX
Back, rump, hindneck, wings, and crown.
CrownX
The crown is the top part of the birds head.
CulmenX
The uppermost central ridge of the upper mandible.
Flight feathersX
Located on the wing, and collectively called remiges (singular, remex). The long stiff feathers are subdivided into two major groups based on the location and are called primaries and secondaries.
ShoulderX
The short feathers overlying the median secondary coverts on the top of the wing. They are located near the back and can be seen as the “first row” of feathers on the birds wing. They are also called marginal coverts and lesser secondary coverts.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X