BUTTERFLY

Established: fossil shovel-tusked elephants such as Amebelodon and Platybelodon had broad lower jaws and tusks that may have helped them pull up aquatic plants, including reeds and pond lilies. The anatomy strongly suggests specialized feeding, but the exact behavior remains an informed reconstruction rather than a fossilized video recording. ([smithsonianmag.com](https://www.smithsonianmag.com/science-nature/strange-shovel-tusked-elephants-puzzled-paleontologists-until-experts-took-a-closer-look-at-their-teeth-180988064/?utm_source=openai))

“Prehistoric elephants were apparently not majestic lawn ornaments. They were wetland equipment with opinions.”

Established: red-eyed tree frog embryos can hatch early when vibrations suggest a snake attack, trading a safer egg for the risks of pond life. This is an example of phenotypic plasticity: the same genetic starting point can produce different outcomes depending on the environment. Uncertain: how widely this particular escape trick occurs across frog species; one clever embryo does not make a universal amphibian rule. ([smithsonianmag.com](https://www.smithsonianmag.com/science-nature/how-the-tree-frog-has-redefined-our-view-of-biology-165716397/?utm_source=openai))

“Excellent news for frogs, inconvenient news for anyone who likes biology to behave like a filing cabinet.”

Dragonfly nymphs can remain in ponds and streams through winter, often beneath ice, continuing to feed and grow before emerging later. The broad pattern is well established, though the exact timing varies by species and conditions. Winter ponds may therefore be quiet only to creatures standing at the wrong scale. ([si.edu](https://www.si.edu/spotlight/buginfo/winter?utm_source=openai))

“Still water is sometimes just motion wearing a thicker coat.”