Tuesday, April 15, 2014

The 'High Level road' at Kaluaggala, Sri Lanka.


In the 1960s this road was on an embankment with shrub jungle on either side. This surrounding land would get periodically flooded by the waters of the adjoining Kelany Ganga. Now building line the road on either side of a very busy traffic highway.

Sunday, April 13, 2014

Water-buffalos and Egrets, Kahahena, Waga, Sri Lanka.


Water-buffalos are excellent lawn-movers. When they feed on the grass insects take flight from the grass. The Egrets are close-by to make a meal of the insects. Symbiosis at its best.

Wednesday, April 9, 2014

Goat and squirrel, Avissawella, Sri Lanka.

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What you see above are three pictures of a male squirrel. You can just make out the descended testis below the root of the tail. During the mating season the testis descends from inside the abdomen to the scrotum. The cold outside stimulates production of sperms. During the non-mating time the testis is drawn into the abdomen where the higher temperature suppresses sperm production. This new position of the testis inside the abdomen also protects it from injury. The squirrel jumping from branch to branch has a high chance of injuring its testis if the testis remains permanently outside the abdomen.