Backyard Bird Egg Identification

Backyard bird identification guide american crow.

Backyard bird egg identification.

Then you can later check your field guide to try and identify the bird armed with all the information you need. Many of them are smooth but just as many can be covered in tiny dimples or feel pebbly. Predators such as foxes or magpies may carry them away as do parent birds often to help conceal the location of vulnerable babies. The audubon bird guide is a free and complete field guide to more than 800 species of north american birds right in your pocket.

The female incubates the eggs for 12 to 14 days and the young leave the nest about 11 to 19 days after hatching. The surface of eggs laid by wild backyard birds have a remarkably wide variety of textures. Why bird egg identification matters. Western bluebird ash throated flycatcher tree swallow house sparrow oak titmouse house finch american kestrel ruby throated hummingbird american robin carolina wren northern cardinal and northern mockingbird.

This features pictures and details of all the most common backyard birds of north america. Birders are naturally curious to identify the birds they see and identifying bird eggs is part of that curiosity for birdhouse landlords identifying eggs can help them understand which birds prefer their houses and they can adjust the foods they offer and how bird friendly their yard is to better suit each feathered family. Birds that build their nests in trees and shrubs like dunnock and blackbird generally have blue or greenish eggs either spotted or unspotted. Consult our bird identification guide to id mystery birds in the backyard and beyond.

Eggs can also be glossy or have a duller matte finish. Bird egg and nest identification with photos and comparisons. In general bird egg shells are made of calcium carbonate and so the default colour is white. What bird is that.

Or you can use our backyard bird identification guide below to help you. More guides resources john james audubon s birds of america. Eggshells don t just fall out of a nest. But other pigments can create different colours and patterns.

The eggs are a pale bluish green with few black spots and a smooth somewhat glossy surface. Learn how to identify birds eggs with our expert guide including which species it came from and where you are most likely to see birds eggs. We have photos song recordings in depth entries and more to help bird watchers correctly identify the birds they spot. Eggs are laid from february through august two or more broods per year with 2 to 6 eggs per brood.