Adam Starr, project manager of Fauna and Flora International (L), looks on as Dr. Nhim Thy extracts a blood sample from a crocodile at Phnom Tamao wildlife center in Takoe province, 45 km (28 miles) south of Phnom Penh February 4, 2009. Fauna and Flora International Cambodia is running a DNA analysis over the crocodile population at the Phnom Tamao wildlife rescue center aimed to find purebred Siamese Crocodiles among the population of over 70 kept in the sanctuary. The Siamese Crocodile is one of the most endangered animals that used to be common in the wetlands of Southeast Asia. Estimations calculate less than 250 adults survive in the wild. REUTERS/Chor Sokunthea (CAMBODIA)