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Striated Heron, Little heron, Butorides striata, นกยางเขียว

The Striated Heron (Butorides striata) also known as mangrove heron, little heron or green-backed heron, is a small heron, about 44 cm tall. Striated herons are mostly non-migratory and noted for some interesting behavioral traits. Their breeding habitat is small wetlands in the Old World tropics from west Africa to Japan and Australia, and in South America.

Vagrants have been recorded on oceanic islands, such as Chuuk and Yap in the Federated States of Micronesia, the Marianas and Palau; the bird recorded on Yap on February 25, 1991, was from a continental Asian rather than from a Melanesian population, while the origin of the bird seen on Palau on May 3, 2005 was not clear.

This bird was long considered to be conspecific with the closely related North American species, the green heron, which is now usually separated as B. virescens, as well as the lava heron of the Galápagos Islands (now B. sundevalli, but often included in B. striata, e.g. by BirdLife International); collectively they were called “green-backed herons”

Striated Heron, Little heron, Butorides striata, นกยางเขียว

Range map from www.oiseaux.net - Ornithological Portal Oiseaux.net
www.oiseaux.net is one of those MUST visit pages if you're in to bird watching. You can find just about everything there


Striated Heron fishing using bait
Singapore Botanical Garden September 2018

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron fishing using bait
Botanical GArden in Singapore - September 2018

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron fishing using bait
Botanical GArden in Singapore - September 2018

Striated Heron
Singapore Botanical Garden September 2018


Description and ecology
Adults have a blue-grey back and wings, white underparts, a black cap, a dark line extends from the bill to under the eye and short yellow legs. Juveniles are browner above and streaked below.

These birds stand still at the water's edge and wait to ambush prey, but are easier to see than many small heron species. They mainly eat small fish, frogs and aquatic insects. They sometimes use bait, dropping a feather or leaf carefully on the water surface and picking fish that come to investigate.

They nest in a platform of sticks measuring between 20–40 cm long and 0.5–5 mm thick. The entire nest measures some 40–50 cm wide and 8–10 cm high outside, with an inner depression 20 cm wide and 4–5 cm deep.

It is usually built in not too high off the ground in shrubs or trees but sometimes in sheltered locations on the ground, and often near water. The clutch is 2–5 eggs, which are pale blue and measure around 36 by 28 mm.

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Egg of Striated Heron - Collection of René de Naurois / Jacques Perrin de Brichambaut. Locality: Delta of Senegal, Senegal.
By Didier Descouens - Own work, CC BY-SA 4.0,
https://commons.wikimedia.org/w/index.php?curid=16599964


An adult bird was once observed in a peculiar and mysterious behavior: while on the nest, it would grab a stick in its bill and make a rapid back-and-forth motion with the head, like a sewing machine's needle.

The significance of this behavior is completely unknown: While such movements occur in many other nesting birds where they seem to compact the nest, move the eggs, or dislodge parasites, neither seems to have been the case in this particular striated heron.

Young birds will give a display when they feel threatened, by stretching out their necks and pointing the bill skywards. How far this would deter predators is not known.

Widespread and generally common, the Striated Heron is classified as a species of least concern by the IUCN; this holds true whether the lava heron is included in B. striata or not

Listen to the Striated Heron

Remarks from the Recordist

Moore et al. 2013: Bird Sounds of Ecuador DVD

www.xeno-canto.org



Conservation status
Striated Heron, Little heron, Butorides striata, นกยางเขียว
Least Concern (IUCN 3.1)
IUCN Red List of Threatened Species. IUCN. 2016: e.T22728182A94973442.
doi:10.2305/IUCN.UK.2016-3.RLTS.T22728182A94973442.en. Retrieved 15 January 2018.



From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

www.birdforum.net


Sighted: (Date of first photo that I could use) 4 November 2017
Location: Sungei Buloh Wetland Reserve


Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 4 November 2017 - Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 23 February 2018- Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 23 February 2018- Sungei Buloh Wetland Reserve

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden

Striated Heron, Little heron, Butorides striata, นกยางเขียว
Striated Heron - นกยางเขียว - 2 September 2018- Botanical Garden


PLEASE! If I have made any mistakes identifying any bird, PLEASE let me know on my guestbook



       
                  



                                       

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