Common
butterfly found mainly in low country dry zone. Its larva feeds on Senna auriculata (රණවරා/Matara Tea/Tanner's Cassia) and Cardiospermum halicacabum (පෙනෙල-වැල්/Baloon vine)
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Thursday, October 31, 2013
Tuesday, October 29, 2013
පරවියා/ගල් පරවියාRock Pigeon[Indian Blue Rock Pigeon]/Parewiya/Gal Parewiya (Columba livia intermedia)
True
wild Rock Pigeon is very similar to feral birds with similar plumage with two
dark bands on the wings, while other feral birds have varies colors and
patterns. Wild birds are very rare and
restricted to the some offshore rocky islets from north-east to south. Pigeon Island
of off Trincomalee has the largest wild population. It is also occurring rarely
in inland dams in reservoirs and similar structures in some large tanks in the dry lowlands. It lives as
small flocks. As per Henry off shore
birds visiting the mainland daily for foods, where they feed on waste grains
and varies seeds and herbs (Henry G.M., 1998). Wild birds normally perch on
rocks cliffs and the like and not on trees.
The breeding season appears to be from February to June and nesting
colonially on rock cliffs of the islets. The nest is a pad of sticks and grasses
placed on rocks or on a ledge. Domestic birds common in towns and villages breed
throughout the year.
Sunday, October 27, 2013
Ceylon Silverline (Spindasis ictis ceylanica)
Rather
rare 'Silverline' found in low country dry zone. Larval food plant are Acacia eburnea (කුකුල් කටු/ගිනි අන්දර/Cockspur Thorn), Senna auriculata (රණවරා/Matara Tea/Tanner's Cassia) in the field and Senna surattensis (Scrambled-egg-tree) only when offered.
Friday, October 25, 2013
Sand Lizard/Fan-throat Lizard (Sitana ponticeriana)
Sand
Lizard is a ground dwelling reptile inhabiting sand dunes and open scrublands in
the coastal areas around the island. But it is much common in arid North,
Northwestern and southern parts. It feeds mainly on
insects such as ants, termites, beetles etc. It is capable of running on its
hind legs with considerable speed with its tail raised. Sand Lizard active
mainly during early hours of the day and again in the evening. During heated
hours of noon it is less
active and stay in shady areas or in natural burrows.
Note: Sitana species inhabiting dry coastal areas of the southeastern Sri Lanka is now considered as a separate endemic species identified as Sitana bahiri while its northern congener Sitana devakai confine to the drier coastal areas of north and northwestern parts of the island.Therefor this individual lizard photographed at Bundala Nationa Park can be considered as a Sitana bahiri.
බහිර්ගේ තැලි කටුස්සා/Bahir's Fan-Throated Lizard (Sitana bahiri)
Bahir's Fan-Throated Lizard is highly territorial lizard and before combat and prior to mating, male extend and stretch it's throat-fans very quickly. Also swivel its head and open its dark blue color mouth in a threat pose to its male opponents. It feeds on insects such as dragonflies, caterpillars and butterflies as well as tiny crabs.
References:
Amarasinghe, A.A.T., Ineich I., Karunarathna D.M.S.S., Madhava W., Botejue S. & Campbell P.D., 2015 Two new species of the genus Sitana Cuvier, 1829 (Reptilia: Agamidae) from Sri Lanka, including a taxonomic revision of the Indian Sitana species, Zootaxa 3915(1): 67-98
Note: Sitana species inhabiting dry coastal areas of the southeastern Sri Lanka is now considered as a separate endemic species identified as Sitana bahiri while its northern congener Sitana devakai confine to the drier coastal areas of north and northwestern parts of the island.Therefor this individual lizard photographed at Bundala Nationa Park can be considered as a Sitana bahiri.
බහිර්ගේ තැලි කටුස්සා/Bahir's Fan-Throated Lizard (Sitana bahiri)
Bahir's Fan-Throated Lizard is highly territorial lizard and before combat and prior to mating, male extend and stretch it's throat-fans very quickly. Also swivel its head and open its dark blue color mouth in a threat pose to its male opponents. It feeds on insects such as dragonflies, caterpillars and butterflies as well as tiny crabs.
References:
Amarasinghe, A.A.T., Ineich I., Karunarathna D.M.S.S., Madhava W., Botejue S. & Campbell P.D., 2015 Two new species of the genus Sitana Cuvier, 1829 (Reptilia: Agamidae) from Sri Lanka, including a taxonomic revision of the Indian Sitana species, Zootaxa 3915(1): 67-98
Sunday, October 20, 2013
White-browed Fantail/බැම සුදු පවන්පෙන්දා/අවාන්-පෙඳ මැසිමාරා (Rhipidura aureola)
Common breeding resident of dry lowlands while locally common in some wet zone areas up to mid hills. White-browed Fantail is a very active bird with restless dancing movements with fanned tail. It can be found in forests, open wooded areas and home gardens, usually as solitary birds or in pairs. It feeds on flying insects taking on the wing as all other 'flycatchers'. The breeding season lasts from January to August. Its nest is an open cup made out of fibers rootlets, etc., plastered with cobwebs and placed on a branch. Nest is often not concealed where it lays 2-3 eggs.
සිංහලෙන් කියවන්න >>
Wednesday, October 16, 2013
Monday, October 14, 2013
Saturday, October 12, 2013
Black Prince (Rohana parisatis)
Black Prince is a locally common butterfly found in the forests from foothills to higher hills (From 500m-1200m altitude) while scarce in higher hills and lowlands. Its host plant is Celtis timorensis [ගූරැන්ද/බූරැන්ද]. The Black prince displays remarkable sexual dimorphism of male mostly black and female light brown. Also flight of male is swift and female’s is fluttery and weak.
Tuesday, October 8, 2013
Friday, October 4, 2013
Wednesday, October 2, 2013
Whistling Lizard/Forest Lizard(Calotes liolepis)
An endemic lizard distributed in South-Western wet lowlands, sub-montane areas and few isolated places of dry lowlands (Such as Nilgala,Ritigala, Monaragala, Yala etc.). It is highly arboreal species and inhabits shaded areas of forests, well wooded home gardens and plantations. Whistling lizard has an unusual habit of uttering a high pitched whistling sound when alarmed. Hence its vernacular name. It feeds mainly on insects.
Tuesday, October 1, 2013
අහිරාවා/වයිරන් අහිරාවා[Ahiraawa/Viran ahiraawa]Common Spiny Loach/Lesser Loach(Lepidocephalichthys thermalis)
Type specimen of Lesser Loach was taken from the hot springs at the Kinniya. Hence the name thermalis. However it is common in most part of the lowlands up to about 600m altitude. It can be found in sandy slow flowing streams and usually the last survive in the fast drying mud puddles in dry zone streams during the dry season. It is a vegetarian though it is believed that it also feeds on mosquito larva (Deraniyagala P.E.P, 1952).
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