The tiny mammal bones, along with other fossils that are turning up, imply a much longer history for mammals on the islands.
In the 1940s and 1950s, public excitement was generated over the recovery of dramatic large mammal bones.
They grow faster than any other mammal bones.
Recovered in the 1975 excavations were 97 mammal bones.
In the 1940s and 1950s, public excitement was generated by the preparation of previously recovered large mammal bones.
The cooking of meat, as can be seen from burned and blackened mammal bones, makes the meats easier to eat.
What ever the bone type, however, Dodson found that very low water velocities were sufficient to move small mammal bones.
Very few small mammal bones were present in the pellets of this species.
Predators are important accumulators of small mammal bone at all times.
Other small mammal bones along with fish bones and turtle carapaces were found as well.