1.   In June, volunteers followed the female turtles as they left the pond in the evening to lay their eggs.

2.   The scientists plan to put a satellite tag on a mature female black turtle.

3.   Female turtles and their babies are even more vulnerable.

4.   So far, one female turtle has been tagged with a unique code number and address to identify her nesting pattern.

5.   This, according to Abdul Rahman, could have caused the present high proportion of males compared to female turtles.

6.   Experts were quoted as saying that the turtle was probably accompanying a female turtle that was ready to lay eggs on the riverbank.