For a naturalist , observing animals in the wild is key to learning about species . When Crittercam got its start , the results of all the hard work came down to a small , fragile tape . Greg has pioneered the use of ` ` Crittercams '' mounted on animals . Crittercams record hours of footage that can be retrieved later . The cameras have captured whale calves nursing and a shark chasing a whale .
For a naturalist , observing animals in the wild is key to learning about species . Greg has pioneered the use of ` ` Crittercams '' mounted on animals . Crittercams record hours of footage that can be retrieved later . The cameras have captured whale calves nursing and a shark chasing a whale .