unHappy by dnaga

Siamang monkey

via 500px http://ift.tt/1Hx3fSR

Happy face by dnaga

The orang-utan

via 500px http://ift.tt/1BYyMdS

watchful by dnaga

The Sumatran tiger (Panthera tigris sumatrae)

via 500px http://ift.tt/1FLcm0h