The wet towel over the head helps keep the turtle calm while it is being measured and tagged

Weighing the turtle - they can be very heavy. One we weighed was 20kg

Checking the plastron (underside) for any marks or signs of disease

Injecting the PIT (Personal Identification Tag). This can only be read by a scanner run over the turtle, not from a satellite.

Me holding the turtle while the carapace is measured

Hold it still! Checking for marks or signs of disease

Exact measurement of the carapace using calipers

The clean shell of a Hawksbill turtle

All done! Ready to be released

The eye of a turtle. Tumours are sometimes present around the eye of the turtles.