This genus of trees has over 100 species native to North America and Eurasia. Most have opposite leaves with palmate lobes and veins, and double samaras or winged fruits.
Some species in this genus of trees have sap that can be turned into a sweet, flavorful syrup, reducing it down to 1/40th its volume!
This black-white-and-grey bird points its slender bill downwards - or tilts it comically upwards - as it spirals face-first down tree trunks and round ...
