- All owls lay white eggs.
- Siderodromophobia is the fear of trains.
- The golden ratio of approximately 1.618 between two quantities such as lengths often appears in nature (tree branching, uncurling ferns, pine cone arrangements etc) and has been used throughout history to create aesthetically pleasing designs and art works such as Leonardo da Vinci's Mona Lisa..
- Oak trees don't produce acorns until they are 50 years old.
- There are over 690 known species of bats.
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