Anatomy of a nest: Common Tailorbird

06 Jun 2007   in Nests 3 Comments »
Contributed by YC

2221.jpg

The nest of the Common Tailorbird (Orthotomus sutorius) was collected from my neighbour Sheng Lau’s garden towards the end of April 2007 after it was abandoned (left). From the outside the nest appeared empty, even when turned over and shaken. It was only after the nest was cut open did the two mummified chicks became apparent.

The nest was found among a group of short, herbaceous ginger plants (Family: Zingiberaceae) grown along the driveway with a dividing wall on the other side. It was about 200 cm from the ground. Two green leaves, 20 x 8 cm, were brought together to form the shell of the nest. The upper leaf was pulled down to merge with the lower and stitched together. The upper leaf formed the base while the lower the front of the nest shell. That half of the lower leaf towards the stem provided a sort of a porch over the nest opening (above). The image below (left) shows the nest from a different angle while that on the right shows the opening.

aaa11.jpg

The bird/s apparently made holes along the leaf margin, about 4 cm apart, mostly towards the further half of the leaf. Pairs of holes from the two leaves were sewn together using mainly silk from spiders or caterpillars, the ends fluffed out to form knots. There were five stitches about 4 cm apart along one side of the nest and eight stitches on the other (above).

Build snugly within the shell formed by the two leaves was the conical nest. The nest proper was 10 x 5 cm, with the 4 cm diameter opening facing the stem. The nest was made up of plant parts – twigs, pieces of leaves, fibres and a number of plant floss that were not identifiable (left). There were even strips of plastic.

The nests of these tailorbirds are usually built with the help of two leaves. If the leaves are smaller, then three leaves are employed. An earlier account reported nesting in the simpoh air (Dillenia suffruticosa) bush, where the birds used a single large leaf to construct their nest.

Images by YC; nest made available by Sheng Lau.




Related posts:
  • Anatomy of a nest: Olive-backed Sunbird Olive-backed Sunbird (Cinnyris jugularis, formerly Nectarinia jugularis) is a common...
  • Nest of the tailorbird An abandoned tailorbird nest was found by Melinda Chan’s friend...
  • Anatomy of a nest: Yellow-vented Bulbul A Yellow-vented Bulbuls (Pycnonotus goiavier) built, for the second time,...
  • Anatomy of a nest: Baya Weaver Baya Weavers (Ploceus philippinus) build their nests attached to branches...
  • Anatomy of a nest: Oriental White-eye This is the nest that the pair of Oriental White-eyes...
  • Common Tailorbird: A failed nesting On 19th March 2007 a male Common Tailorbird (Orthotomus sutorius)...
  • 3 Responses to "Anatomy of a nest: Common Tailorbird"

    1. wengchun says:

      the common tailorbird keep using the same plant – costus speciosus (setawar) for nesting. they use the same method and materials with stitches along the leaf margin.

    2. Linda says:

      I found your website absolutely fascinating! I have never been a serious bird watcher, but I am curious to know why all birds’ nests are round(ish)? The answer is probably as simple as it is a shape most commonly occuring in nature, but do you have an additional/alternative explanation?

    3. admin says:

      Thanks Linda. Just like you, I am not a serious birdwatcher. But I try to study birds. You are correct about the shape.

    Leave a Reply