Leg Day if You're Smart Enough

The bird feeder here is designed to limit access to sugar water to tūi or other sugar feeders - they typically have long, narrow tongues that let them eat the nectar from flowers. The kākā who visit my garden are also, in part, sugar feeders, and have worked out how to tilt this sugar feeders such that the water slops up through the slots so that their parrot tongue can get at the sweet water.

The thing that's really impressive about this, when I stop to think about it, is that the feeder weighs in at around 3 kilos when full; the kākā is less than a half kilo. So they are effortlessly pulling on something a good six times their own size to grab a feed. It's as though I had to pull a half-tonne weight while I'm eating a burger.