發表文章

目前顯示的是 9月, 2017的文章
圖片
Alien species in Taiwan Green iguana Green iguana (scientific name: Iguana iguana), also known as large iguana living in the tree , head to tail length can be more than 1.5 meters, a record shows that some adult individuals up to close up to 2 meters, weight 9kg. Field life can be as long more than 10 years, hatching (young ) seems to be omnivorous partial plant-based, occasionally add some slow action snails, slugs and part of the Lepidoptera larvae, and in the adult change to the leaves, Flowers, fruits for food . Female can produce 24-45 eggs(depend on the body size). Mainly distribution from Central America to Mexico to Paraguay, South America, the Caribbean and Florida and other places The main habitat of the green iguana is those forest adjacent rivers when the green iguana faces the dangerous or natural enemies, they will immediately jump into the stream, dive into the water and walk away to escape the enemy. Mature male green iguana, in the breeding period, the body color...
圖片
The Asian dowitcher (Limnodromus semipalmatus) is a rare medium-large wader. Near Threatened Limnodromus semipalmatus has a disjunct breeding range in the steppe regions that extend from west to east Siberia, Russia, and south into Mongolia and Heilongjiang in north-east China It has been recorded as a non-breeding ,winters from E India through SE Asia, SE Sumatra and Java to N & E Australia. This species is migratory but its movements are not well known . The timing and location of breeding varies considerably depending on water levels, most females lay between late-May and early-June.  Birds arrive in the wintering grounds in September , returning usually in April Non-breeding During the non-breeding season it occurs in sheltered coastal environments, primarily estuarine and intertidal mudflats, lagoons, creeks and saltworks It will also roost on sandy beaches or in shallow lagoons during this season Human modified landscape features such as salt-pans have also been ...