A beaver's front teeth are bright orange because of their super hard enamel coat. These teeth must be sharp because the beaver uses them to cut down trees. Beaver's teeth never wear out because they never stop growing!
Canadian Tree Guide
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Tulip-Tree
tulip-treeLiriodendron tulipifera L.
The tulip-tree is fast-growing, moderately long-lived (>150 years) and can reach heights of more than 45 m. The leaves turn a glorious colour of yellow in the autumn prior to shedding. In the late 19th century a heart stimulant was extracted from inner root bark of this species.
Tree Guide
