Gehan de Silva Wijeyeratn...

Gehan de Silva Wijeyeratne is the author of "Sri Lankan Wildlife", "Photographic Guide to Birds of Sri Lanka", "Wild Sri Lanka (2nd Edition)" and "A Naturalist's Guide to the Mammals of Sri Lanka".

Books by Gehan de Silva Wijeyeratn...

A Naturalist's Gu...
de Silva Wijeyeratn...
Paperback:

The Birds of Sri ...
de Silva Wijeyeratn...
Paperback:

A Naturalist's Gu...
de Silva Wijeyeratn...
Paperback: