Chestnut-winged Babbler – nest building

posted in: Nests, Videography | 0

“I was walking along a trail in primary jungle when this Chestnut-winged Babbler (Stachyris erythroptera erythroptera) hopped into the nest about 5 meters in front of me.

“I stopped and dropped to the ground, and the birds continued to build the nest despite being aware of my presence. I decided to remain there and watch. I did not go back for a tripod/video equipment as I felt it would disturb the birds.

BabblerChWgd-nest build [AmarSingh] 1

“The nest was being built about 2.5 meters above the ground in a bamboo thicket. The birds were using a large dead leave that had fallen and lodged on the bamboo. The leave belonged to a Giant Macaranga tree.

BabblerChWgd-nest build [AmarSingh] 2

“The nesting material they were using was predominantly dead bamboo leaves and occasional leaf skeletons/spines of leaves. Nesting material was often collected some distance from the nest site.

“Building was a fast activity and the frequency of visits was 2 per minute, with often one bird waiting for the other to clear the nest before going in.

BabblerChWgd-nest build [AmarSingh] 3

“As far as I could ascertain there were only 2 birds involved in the nest building and the work was fairly equally shared. No calls were made while nest building. The nest was still at the early stages of development.

BabblerChWgd-nest build [AmarSingh] 4

“I was concerned with their choice of nesting site for two reasons. One it was on a fairly busy trail for walkers and the birds could easily be spotted when moving (the nest itself could not be easily spotted). More importantly their choice of nesting leave was poor as I could see the nesting material falling out occasionally, even as they put more in. I expect the nest to fail.

BabblerChWgd-nest build [AmarSingh] 5

“I watched for ~15 minutes and then decided to leave so as to give the birds the space needed. Before leaving I attempted a short handheld video using a rock as support for the lens. Not easy as I was already lying on the ground, but I managed some nesting episodes (hard to focus, so not that clear; fortunately for tilt screens on the newer DSLRs). The video was taken when the nest was already looking like it would fail and the birds were becoming aware of this.

“Update: I returned 1 week later and as expected the site is abandoned and this nest has failed. Looking for a new nest is quite a tall order in a wet jungle with extensive leaf litter.”

Dato’ Dr Amar-Singh HSS
30th April 2017

Ipoh, Perak, Malaysia
Location: Kledang-Sayong Forest Reserve, Ipoh, Perak, Malaysia
Habitat: Trail in primary jungle

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