Sunday, May 10, 2015

Creeping daisy(Sphagneticola trilobata[Wedelia trilobata])

An introduced procumbent herb native to northern part of South America and the West indies. Naturalized and now a very common weed growing in dense mats along roadsides and waste lands from sea level to about 1500 m elevations. 

Saturday, May 9, 2015

Erect spiderling (Boerhavia erecta)

An introduced ascending or decumbent herb common along roadsides and open sandy places, often near coast.

Friday, May 8, 2015

හිරිගඩු පඳුරු මැඩියා[Hirigadu paduru madiya]/Hollow-snouted Shrub Frog (Pseudophilautus cavirostris)

An endemic shrub frog occurs in the south western wet zone including Knuckles range from 30 to 1000 m elevations. It inhabits closed canopy rain forests and occasionally in some anthropogenic habitats. Found on moss-covered rocks, tree trunks and branches as well as inside crevices close to streams.

Thursday, May 7, 2015

Nodeweed (Synedrella nodiflora)

Native herb of West Indies. Introduced and now a common weed along roadsides, waste places and cultivated grounds. Flowering from August to May and probably all the year round.

Wednesday, May 6, 2015

වෙසක් මල්[Wesak-Mal] (Dendrobium maccarthiae)

Rare endemic epiphyte occurs only in the Rathnapura jungles. Flowering from May to July. Hence the vernacular name Wesak mal (Wesak > Sinhalese name for the month of May and mal > flowers)

Tuesday, May 5, 2015

Blue Pansy (Junonia orithya patenas)

An uncommon butterfly occurs all over the island. But abundant in moderate elevations from 2000 to 4000 ft. It inhabits open areas such as grasslands, pathways, etc. In such habitats it can be encountered usually on the ground resting with wings open. When alarm it flies fast for a short distant to settle again. Larva feeds on leaves of Justicia procumbens (මයානි/Common small justicia)Yamazakia pusilla, and Rungia repens (සුළු නයි/Creeping rungia).  Its larva also fed on Centranthera indica (දුටු සතුටු) when offered. 


Monday, May 4, 2015

Sunday, May 3, 2015

කූඩලු මල්[Kudalu Mal](Impatiens flaccida)

An indigenous herb common in moist shaded places, often along pathways, river banks etc. in secondary or degraded forests, villages and cultivated lands from lowlands to about 1000 m a.s.l. Usually growing in large colonies.

Saturday, May 2, 2015

Chestnut-shouldered Petronia (Annotated checklist of vagrant Sparrows (Family: Passeridae) recorded in Sri Lanka)

Birds that appear outside their normal range are known as vagrants. This post summarizes up to date published sight records of vagrants of the family Passeridae (Sparrows & allies) in Sri Lanka.

Chestnut-shouldered Petronia[Yellow-throated Sparrow] (Petronia xanthocollis xanthocollis)
Legge procured two specimens from a considerable flock in company with a number of Weaver birds, on some openly-wooded grass-land near the sea, close to Madampe while on a trip to Chilaw in October 1876. It is the only record hitherto of this species in Sri Lanka (Legge 1880: 783).

References:
Legge V., 1880. A History of the birds of Ceylon  1983 second edition.

Friday, May 1, 2015

Thursday, April 30, 2015

Wednesday, April 29, 2015

Zebra Blue (Syntarucus plinius)

Common butterfly occurs throughout the island up to higher hills. It is one of the commonest in drier parts of the country where male Zebra blues are always seen congregated around mud puddles and other moist areas. Larva feeds on flowers of  Plumbago auriculata(Cape leadwort)Plumbago zeylanica(එළ-නිතුල්/Ceylon leadwort/White plumbago)Rhynchosia minima, Indigofera tinctoria (නිල් අවරි),  Indigofera linnaei (බිං අවරි)Aeschynomene americana (Thornless mimosa) and Ormocarpum sennoides subsp. hispidum.

Tuesday, April 28, 2015

Kendrickia walkeri

An indigenous sometime epiphytic climber climbing often high on the tree trunks and branches of forest trees. Rather common in the montane zone. 

Monday, April 27, 2015

Dendrolobium umbellatum

An indigenous shrub occurs in sea coasts (usually on sand just above the high water marks) and borders of brackish ponds. 

Sunday, April 26, 2015

Vagrant Thrushes (Family: Turdidae) recorded in Sri Lanka

     Birds that appear outside their normal range are known as vagrants. This post summarizes up to date published sight records of vagrants of the family Turdidae (Thrushes ) in Sri Lanka.    

     1) Eyebrowed Thrush [Dark Thrush] (Turdus obscurus)
Graham Speight of UK reported a bird first time on 24th February 1994 at Nuwaraeliya. The same bird was reported by Ole F. Jakobsen in Forktail 10 (February 1995) as having been seen on 5th February 1994 (Hoffmann, T. W., 1995) A sight record of it again reported from Nuwaraeliya in February 2002 (Siriwardana, U., 2003). Another bird observed at Horton plains NP on December 2005 (Sirivardana U. & Warakagoda  D. , 2006). Subsequent sights records are--
References:
Hoffmann, T. W., 1995. Ceylon Bird Club Notes 1994. Loris, 20(5), 226-227.
Siriwardana, U., 2003. Report from the Ceylon Bird Club for 2002. Loris, 23(3&4), 36-39.
Sirivardana U. & Warakagoda  D. , 2006. Report from the Ceylon Bird Club for 2005 Loris 24(3& 4), 24 - 28

Saturday, April 25, 2015

Erigeron sublyratus

Rather rare indigenous annual herb occurs in sandy places of the low country, often near water courses or close to the sea shore. Flowering September- December.

Friday, April 24, 2015

සල්[Sal]/Cannon ball tree(Couroupita guianensis)[Couroupita surinamensis]

Native plant of South America. Introduced probably in 1881# and widely cultivated throughout the country since then. Often cultivated near Buddhist temples wrongly believing that this is the Sal tree under that queen Mahamaya gave birth to the prince Sidhdhartha and also Parinibbana (demise) of the Lord Buddha occurred *

http://www.vidusara.com/2011/06/22/feature6.html
*That Sal tree is Shorea obusta of Dipterocarpaceae family (http://en.wikipedia.org/wiki/Shorea_robusta). A native plant of Indian subcontinent ( http://www.nation.lk/edition/fine/item/38684-how-sal-trees-arrived-in-sri-lanka.html )

Thursday, April 23, 2015

Decorated Ace (Thoressa decorata)

Rare endemic butterfly found in southwestern forest areas up to about 1200 m elevations. No data available on its larval host plants or early stages of the life cycle.

Wednesday, April 22, 2015

Kurunegala Daisy/Coat-buttons(Tridax procumbens)

An introduced perennial with procumbent stems. Native to Central America. Common weed of roadsides, wastelands, lawns and cultivated grounds. Flowering occurs throughout the year.

Tuesday, April 21, 2015

කිරිල්ල/කිරල/හොඳ කිරල[Kirilla/Kirala/Honda kirala](Sonneratia caseolaris)

An indigenous shrub or small tree common in mangrove swamps and tidal estuaries. Also extending upstream along the river banks. Found in most mangrove swamps in Sri Lanka. Ripe fruit are used to make a drink. Flowers open during the night and pollinated by bats. Flowering September and probably also from February to August*

* Flowers observed at Telwatta sanctuary during mid April.