We all know that things get cuter as they get smaller. Well, hold on to your hat, because these cuties are as small as they come.
1. "A very tiny baby harvest mouse."
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2. "Itty-bitty Clown Dart Frog!"
4. "A very polite bee."
6. Tiny frog or tiniest frog?
7. "This beautiful boy is a month out of pouch today."
8. This lightly toasted marshmallow looks very pleased about something.
9. "Knocked himself out flying into the glass. I held him like that for a couple minutes while his processor rebooted."
(The turtle is "Clemmys guttata", and the frog is "Ranitomeya vanzolini" — or Clemmy and Vanzo to their friends.)