A floating herb native to Brasil and other South American countries, which introduced and naturalized in
tropical African and Asian countries including Sri Lanka . It was introduced to Sri Lanka in 1905 as an ornamental plant and
now a common invasive plant in most water bodies such as tanks, canals, ponds etc of lowland dry and intermediate parts of the island . Propagated mainly by runners (stolons) which produced new plants.
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- Mammals of Sri Lanka
- Resident Birds of Sri Lanka
- Migrant Birds of Sri Lanka
- Vagrant Birds of Sri Lanka
- Status Uncertain or Doubtful Birds of Sri Lanka
Wednesday, November 30, 2011
Monday, November 28, 2011
Tropic Dart (Potanthus Confucius satra)
Common butterfly of all elevations of the island. Larva feeds on Panicum maximum and Axonopus compressus (Only when offered) of family Poaceae.
Saturday, November 26, 2011
Thursday, November 24, 2011
Sunday, November 20, 2011
කිරලා[Kirala]/Red-wattled Lapwing/Did-he-do-it (Vanellus indicus)
Common resident of tank edges, paddy fields
and open areas, usually not far from the water in the low country and lower
hills while much common in dry zone. Usually it is encountered as pairs or small
groups feeding on ground-dwelling insects such as grasshoppers, beetles, ants,
termites, etc. walking hither and thither in typical plover fashion. Breeding season is from April to September and
lays four eggs in a shallow scrape on the ground among stones or debris. If an intruder
approaches the nest it takes to wing and circles around the disturber screaming
with its loud call did-he-do-it until the enemy has withdrawn.
සිංහලෙන් කියවන්න >>
Thursday, November 17, 2011
Wednesday, November 16, 2011
Thamba Seruwa/Lesser whistling Teal ( Dendrocygna javanica)
Common resident bird found in tanks, paddy fields and marshes of low country of the
island. It lives as flocks of a dozen or so birds and feeds on paddy, insects
and other small animals. It is partially
nocturnal and uttered its whistling call frequently in flight when heading to
its feeding grounds during dusk from the day retreat which is usually a small
islet in a tank or boughs of a dead tree standing in water. Breeding season is
from December to January and again from July to August. Nest often place in a
water side vegetation or holes in trees usually standing in water.
සිංහලෙන් කියවන්න >>
Monday, November 14, 2011
පුවක්[Puwak]/Betel-nut palm (Areca catechu)
Common palm of home gardens in wet and intermediate
zones of the island up to about 900m a.s.l. Also cultivated close to paddy
fields and canals in dry lowlands. Seed betel-nut mastication with betel leaves,
flowers use as temple offering and also use in traditional rituals, Leaf sheath as trays,
bags and plates. Trunk – as timber in construction works.
Saturday, November 12, 2011
Common Palmfly (Elymnias hypermnestra fraternal)
A common butterfly of low country up to about 1500ft elevations.
Much common in areas where coconut cultivations are abundant since its larva
feeds on varies plants of family Arecaceae (Palmae) such as Areca catechu (පුවක්/Betel-nut palm), Borassus flabellifer (තල්/Palmyra palm), Calamus rotang, Calamus thwaitesii (මා වේවැල්/වඳුරු වැල්/පුවක් වැල්/කත් වැල්), Caryota urens (කිතුල්), Cyrtostachys renda (Sealing Wax palm), Dypsis lutescens, Phoenix pusilla, Rhapis excelsa, Saribus rotundifolius including Coconut (Cocos nucifera). Female Common Palmfly (shown in above picture) is very different from males and it
mimic Plain tiger.
Labels:
Butterflies,
Insects,
Satyridae
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Polgasowita, Sri Lanka
Thursday, November 10, 2011
කෝමාරිකා[Komarika] (Aloe vera)
A perennial herb which is believed to be a native plant of North Africa and desert regions of Arabia . Naturalized in North and North –West seashore
and cultivate in home gardens in other areas of the Sri Lanka . Juice of the leaves is used to treat varies types of diseases
in traditional Ayurvedic medicine including coughs, asthma, eye diseases, etc.
Tuesday, November 8, 2011
Sunday, November 6, 2011
Friday, November 4, 2011
Little ringed plover/පුංචි මාල ඔලෙවියා ( Charadrius dubius jerdoni)
Little ringed plover is a resident bird of marshes, mud-flats, drying
tanks and paddy fields, sand banks etc. of the dry zone coastal areas supplemented
by race curonicus during winter migrations. Occasionally it is recorded from Colombo and near by marshy areas like Kotte and
Bellanwila-Attidiya, probably of migrant race. It feeds on varies small animals
taken from dry ground or shallow water. Often feed as scattered flocks and when
alarmed mass together and fly in a dashing manner. It breeds from May to July on
gravely shores, sand dunes or islets of large tanks. Usually three stone
colored eggs are laid in a small hollow scraped in a gravel bank.
සිංහලෙන් කියවන්න >>
Wednesday, November 2, 2011
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