
Want to see more songbirds in your yard? Don't put out a feeder; plant a native oak. A single chickadee pair needs 6,000 to 9,000 caterpillars to raise one clutch of eggs. The vast majority of those caterpillars? Moth larvae. Moths are the protein bars of the avian world. Even black bears rip open rotten logs in spring specifically to eat the high-protein moth larvae inside.
Recent studies using high-speed cameras have revealed that moths carry significantly more pollen grain diversity than bees. While bees are picky, visiting one flower type per trip (a trait called floral constancy), moths are messy. They visit deep-throated flowers like honeysuckle, evening primrose, and phlox, transferring pollen across different plant species. Without moths, many of our sweet-smelling night-blooming flowers would go extinct.
This is the gold standard. Hang a white bedsheet between two trees. Shine a UV black light (or a mercury vapor bulb) onto the sheet. Within 30 minutes, that sheet will look like a living tapestry. Keep a field guide handy to identify the Sphinx Moths (hover like hummingbirds) and the gorgeous Luna Moths (neon green with long tails). Conservation: You Can Help Tonight Moths are in trouble. A 2020 study found a 33% decline in moth abundance in the US over the past 50 years. Light pollution is a major culprit—artificial light traps moths, causing them to exhaust themselves or get eaten by predators.
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