Appearance: 9cm; like the blackbird’s but song thrush nests are unique among British bird nests in having a hard lining of mud, rotten wood and dung, cemented with saliva and moulded into shape by the female’s breast. Saucer or Plate: It is almost similar to the previous one, the cupped nest, but it … The Western Bluebird nest (left) is a collection of fine grasses and sometimes include a feather or two, leaves and thin bark. Pairs of these birds build their nests in shallow waters, using pebbles carried from the shore in their beaks. The type of ecosystem you are in can also help you narrow down your selection. Sometimes containing some cow or horse dung. The result is an island of pebbles weighing about 1.5 tonnes, topped with vegetation. Humming birds , Robins, Kinglets, Crests, all are known to build this type of nest. The diversity of behavior among bird species is nowhere so dramatic as in their nest construction. Other birds, like some species of raptors and owls, also nest on the ground, but do not create a depression. Western Bluebird Nest and Ash-throated Flycatcher Nest. The variations are as endlessly diverse as the color patterns on a feather. The nest may belong to a duck or shorebird. Location: As for blackbird nests. Season: March to July; two broods, occasionally three. It has a fairly shallow cup with, if your lucky, up to seven pale blue eggs. These birds just seek out … The Ash-throated flycatcher nest (right) is made up of grass, weeds, fur and hair. Are you near the water? Each species builds a specifically precise nest that differs in functional ways from those of almost all others. The type of bird nests that you may encounter will vary based on where exactly you are. However, if you want to attract a specific species, in most cases, you will need to build or buy a specific type of bird house.For example, Purple Martins nest in colonies and Robins nest on platforms without roofs. Birds use different types of things to build this nest and the whole size depends on the size of the bird. You may be interested in having a bird house just for decoration, or you may be trying to attract certain types of birds. A field guide to birds can help you a better idea of the types of breeding birds that may be found in your area. These nests, referred to as scrape nests, are typical of many shorebirds (like gulls and terns), penguins, ducks, pheasants and some vultures.