Merops viridis

Written by on November 19, 2010 in Indonesia Bird with 0 Comments

Merops viridis, Blue-throated Bee-eater, Kirik-kirik Biru

Bee-eMerops-viridis, Blue-throated Bee-eateraters get their names from their diet of stinging insects (bees, wasps, hornets, ants). They specialise in catching and neutralising these titbits that other birds find unappetising or dangerous.

But Bee-Eaters also catch and eat other harmless insects especially dragonflies, and also grasshoppers, butterflies. Occasionally, they may eat small lizards and fish.

Bee-eaters catch their prey on the wing. They look out for suitable prey from a tree branch or high wire (about 7m and above) then swoop down onto it. They snap up their victims with an audible click, their long, narrow bills keeping these dangerous prey a good distance away from the eyes. To get rid of the sting, the insect is vigorously whacked against the perch. Or simply squeezed to get rid of the venom.

Bee-eaters are said to be attracted to smoke; to snap up insects driven out as land is cleared by fire for agricultural use.
Blue-throated Bee-eaters forage over the canopy of lowland forest, but also over mangroves, and relatively open habitats such as grasslands, marshes, beach scrub and even gardens and urban areas. Blue-throated Bee-eaters usually forage in pairs, sometimes in small groups, rarely above 15. But they may gather in flocks to hawk on swarming insects (termites, ants), together with Swifts and Swallows. But they roost together in trees in mangroves and forests.

Breeding: Bee-eaters court by flickering their tails and puffing out throat feathers. The female may initiate courtship. When the males initiate, they usually offer their mates a snack of an insect, sometimes feeding several insects in succession. The male bows a few times before he mates.

3-6, usually 4, white eggs are laid. Both parents incubate the eggs, which is done as soon as they are laid so the hatchlings emerge at different times. If food is not abundant, the older siblings kill the younger ones with their sharp hooked bills. Usually only 1-2 survive to fledge about 30 days later. The young stay in their tunnel nests a few weeks after fledging. Both parents feed the young, choosing large dragonflies, rather than stinging insects. In Singapore, Blue-throated Bee-eater nesting colonies are not easily located.

Migration: The Blue-throated Bee-eater breeds in Singapore and the Malay peninsula in April-September, then strangely migrates to Indonesia thereafter. At the time when they leave, the Blue-tailed Bee-eater arrives. They are probably the only bird to breed here and migrate away during the non-breeding season. They migrate in small groups of not more than 15. In Singapore, they are found in scrub, mangrove, forest, cultivated areas.

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