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Wednesday, May 24, 2006

Life around a rotting tree trunk 2: Collared Kingfisher

Life around a rotting tree trunk 2: Collared Kingfisher

A pair of Collared Kingfishers (Todiramphus chloris) was nesting in a cavity found at the central point of a rotting tree trunk in a small piece of secondary growth at Eng Neo. Most of March 2006 the birds were flying in and out of the nest. Sometimes the arrival would be accompanied by the shrill cries of the bird. At other times the bird would fly in silently.

The hungry nestlings needed to be fed regularly and the parents worked hard bringing them food. There would always be some invertebrates like a centipede or a grasshopper. The birds would stop over at a nearby tree, checking to see whether it was safe to proceed, before flying to the nest. Initially, it entered the cavity to pass on the food but later it just stopped at the entrance. Sometimes both parent birds approached the cavity at the same time. In such cases one would veer off and wait its turn. There had also been a few cases when the morsel brought to the nest was not accepted by the nestlings (see above). In such cases the parent bird flew off to a nearby perch to consume it.

At the upper end of the trunk was another cavity. Here, a pair of Long-tailed Parakeets (Psittacula longicauda) initially took occupancy. The presence of the parakeets nesting above caused no problems to the kingfishers. Both species coexisted peacefully. However, when the hornbills were around the rotting trunk, which was not often, the kingfishers as well as the parakeets were invariably frightened away.

Text by YC; images by Meng and Melinda Chan (Great Hornbill, bottom) and YC (the rest).



At 8:29 am, Anonymous Anonymous said...

I have been observing a pair of
nesting collared kingfisher at
Kuala Juru, mainland Penang, for
nearly everyday from feeding
until fledging. (Time to fledge
about minimum 18 days-not certain exact date eggs were laid)
A few times the parents will fly
away from the nest(hole on laterite
"cliff" about 10ft high)with food
still in their beak but everytime
they will return to feed the chicks. There could be 3 reasons
why they flew away with food,
1) The parents were disturb
2) It takes too long to feed, food
too big, not dead enough,etc
safety reasons it will back away
3) One of the chick is already too
full and will refuse food, it
will fly back to feed another

Sometimes it will drop its food
flying towards the nest or away
from the nest but it will pick it
up and feed the chicks.

The 2 chicks fledged about a week
ago and the parents are still
feeding them at the mangroves
at the river mouth of Sg. Juru.

I was lucky enough to observe
another family of already fledged
collared KF (with 3 chicks) about
100 metres away, and the parents
continue to feed them for at least
another 2 weeks.

Tan Choo Eng, Penang.

At 9:38 am, Blogger YC said...

Thanks for your note, Choo Eng. Such information is valuable and adds on to our knowledge of these birds.


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