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Posts tagged “Tree Bark

Brown Creepers Nesting

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The Brown Creeper is so well camouflaged that there are many people who don’t even know of its existence. This diminutive bird gets its name from its habit of creeping along tree trunks and spiraling upwards while it probes for insects and spiders hidden in bark crevices with its curved, sharp bill.  At this time of year, brown creepers have already made their fibrous nest behind a loose flap of bark on a tree, and the 5 – 6 nestlings are constantly demanding food.  Unlike some species, both adults care for their young.  These photos illustrate how the male goes off and finds an invertebrate, flies back to the nest and gives it to the female, who then disappears behind bark to feed it to her nestlings.

Sugar Maple Buds & Bark

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Maples have what is referred to as “opposite” branching – the buds, leaves and branches are positioned opposite one another. If you look at this photo of the terminal bud of a sugar maple (Acer saccharum) you’ll see that the two lateral buds (on either side of the terminal bud) are directly across from each other.  This is relatively rare in the woody plant world — you’ve narrowed down the identity of a tree significantly if you determine that it has opposite branching (ashes and dogwoods, among others, share this characteristic). The buds of sugar maple are pointed.  The appearance of its bark depends on the age of the tree you’re looking at.  Saplings and younger branches are quite smooth (right branch in photo), whereas the bark of an old sugar maple is furrowed with vertical ridges curled outward along one side (left side of photo).