After Birmingham Zoo officials noticed swelling between Oliver's legs, an ultrasound revealed the orangutan had a testicular tumor, which two surgeons later removed Glenn Garner is a form writer ...

The rare and mysterious orangutan crab was filmed swimming just ... strange sight as it kicks off from the sea bed and waves its legs to propel it through the water. The video was shot by Atsushi ...

Their powerful arms are stronger and longer than their legs, and their hands can touch their ankles when they stand. There are two different types of adult male orang-utan: flanged and unflanged.