Can you tell the difference between a young dolphin and an old one? Neither can scientists — not without pulling a tooth, sawing it in half and counting the growth layers like the rings of a tree.
>> read more …
Zee(zoog)dierennieuws van bijna overal
Can you tell the difference between a young dolphin and an old one? Neither can scientists — not without pulling a tooth, sawing it in half and counting the growth layers like the rings of a tree.
>> read more …