My cat does this as well when a bird is close by.....they think they are going native with the lingo. Unless he is taking a course on the internet while I am out, my bird is just pretending to speak beak talk.
acorn - fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base. acorn cup, cupule - cup-shaped structure of hardened bracts at the base of an acorn. oak tree, oak - a deciduous tree of the genus Quercus; has acorns and lobed leaves; great oaks grow from little acorns. fruit - the ripened reproductive body of a seed plant.
When you approach a tree check its branches and the ground around it for acorns. All oaks, but no other trees have acorns as their fruit. Acorns vary in shape from species to species, but ultimately they all pretty much look like acorns.tarting generally, we note that an oak is a broadleaf tree, as opposed to a conifer. Let's begin, by studying one. The leaves of most North American oaks have lobes and sinuses which are alternately, as opposed to symmetrically, placed on either side the leaf.