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2006-12-20 3:12 am
A. Romer's tree frog
What is the habitat of the Romer's tree frog?
What didthe government do to protect the tree frogs from extinxction during the building of the Chek Lap Kok Airport?
(Ps : .If you help me to answer those Questions ,I'll tell you me Msn.)

回答 (1)

2006-12-20 3:16 am
✔ 最佳答案
Romer's Tree Frog was named after the late J. D. Romer, who first discovered it in a cave on Lamma Island in 1952. That population disappeared in 1953 due to the collapse of the cave. Once thought to be extinct, the frog was re-discovered on the island in 1984.

The habitat of the frog is well-wooded areas near a small stream or other water source suitable for breeding. The creature usually sits on low bushes, buries itself in fallen leaves, or rests on bare ground. The frog has been recorded solely from 4 of the outlying islands in Hong Kong, namely Lantau Island, Lamma Island, Po Toi Island and Chek Lap Kok.

Its tadpoles and eggs are susceptible to predation by the introduced mosquitofish, and it is only able to breed in places the fish has yet to colonise. The frog breeds in shallow water from early March to September. The male has a shrill staccato call. The female glues up to 120 eggs onto submerged plant debris, stones or vegetation. The tadpoles, brown in colour, require 4 to 6 weeks to metamorphaose in captivity.

Adults feed on termites, and such small insects as crickets and spiders. The frog is strictly nocturnal. It lives for approximately 3 years in the wild, but the female is reproductively active only for 2 breeding seasons.

over 200 individuals of the species have been rescued from Chek Lap Kok in 1992, before the construction of the Hong Kong International Airport. The captives were bred successfully and the offspring were released into 8 selected sites in Hong Kong Island and New Territories. The frogs in 7 of the sites survived. Surprisingly, a very small number of the creature also survives in Chap Lap Kok.

An endangered species, Romer's Tree Frog is protected under the law of Hong Kong (Wild Animals Protection Ordinance, Cap. 170). Part of Ngong Ping in Lantau, a site that supports the largest population of the frog, has been designated as a Site of Special Scientific Interest in May 1999.


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