Backyard Bird Egg Identification

Some wild backyard bird eggs have ridges and ripples.

Backyard bird egg identification.

The eggs are a pale bluish green with few black spots and a smooth somewhat glossy surface. Predators such as foxes or magpies may carry them away as do parent birds often to help conceal the location of vulnerable babies. This features pictures and details of all the most common backyard birds of north america. We have photos song recordings in depth entries and more to help bird watchers correctly identify the birds they spot.

But other pigments can create different colours and patterns. Eggs are laid from february through august two or more broods per year with 2 to 6 eggs per brood. 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. Then you can later check your field guide to try and identify the bird armed with all the information you need.

In general bird egg shells are made of calcium carbonate and so the default colour is white. Why bird egg identification matters. These traits can help you identify the species even if the bird itself isn t present. What bird is that.

The surface of eggs laid by wild backyard birds have a remarkably wide variety of textures. The female incubates the eggs for 12 to 14 days and the young leave the nest about 11 to 19 days after hatching. Or you can use our backyard bird identification guide below to help you. 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.

Eggshells don t just fall out of a nest. The audubon bird guide is a free and complete field guide to more than 800 species of north american birds right in your pocket. Birds that build their nests in trees and shrubs like dunnock and blackbird generally have blue or greenish eggs either spotted or unspotted. Bird species use different building materials to create nests of various shapes and sizes and the eggs they lay differ in shape markings colors and size.

Eggs can also be glossy or have a duller matte finish. Backyard bird identification guide american crow. More guides resources john james audubon s birds of america. Many of them are smooth but just as many can be covered in tiny dimples or feel pebbly.