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Also see Nest ID Matrix (contents) and Egg ID Matrix (color, spots, etc.)
To see other cavity nester bios/photos:
Also see chart to help ID nests by construction material.
![]() Be careful not to confuse with Carolina Wren or House Wren. If you remove House Wren dummy nests, and Bewick’s Wrens are found in your area, make SURE it is a House Wren nest before removing it! Bewick’s Wren populations have declined alarmingly in many areas. |
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![]() Nest Description: Bulky nest (sometimes domed) with a deep cup of grass, feathers, hair, plant down, moss and dead leaves on a base of short twigs/sticks, rootlets, chips/leaf debris, spider egg cases, oak catkins. May have a wider variety of material in the base, with finer materials in the cup. Often snakeskin or cellophane in cup, which is deep and tiny and may be in a back corner. May be a little more “organized” looking than a Carolina Wren nest. Typically do not fill up tall large cavities to the top like a House Wren. |
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![]() Eggs are oval or rounded oval, white with irregular brown, reddish brown, purple or gray spots/dots often concentrated in a ring on the larger end. Some eggs in a clutch may have more pigmentation than others. Smooth with little or no gloss, unlike House Wren. Egg size increases with egg order, and the last eggs are the largest. |
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The student of Nature wonders the more and is astonished the less, the more conversant he becomes with her operations; but of all the perennial miracles she offers to his inspection, perhaps the most worthy of admiration is the development of a plant or of an animal from its embryo.
-Thomas Henry Huxley, British biologist and educator. Reflection #54, Aphorisms and Reflections, selected by Henrietta A. Huxley, Macmillan, 1907.