Killdeer are named after the shrill, repetitive call they make, which sounds like "kill-deer." This call is often heard during their breeding season as a way to attract mates and defend their territory. The name "killdeer" is an onomatopoeic representation of their distinctive vocalization.
The killdeer is one bird that springs to mind. Killdeer are water birds that live away from the water during the breeding season. They make their nests on the ground and the two black stripes on the adults' chest is a distinctive pattern.
Squirrels are regular mammals and not marsupials. They have no pouch for their young so the mother has to make a nesting area in some protected area like tree hollow.
nesting
Chicken nesting boxes are usually wooden boxes with some sort of soft padding that chickens like to roost in. If they don't have nesting boxes they will make nests all over the place in the grass.
Pet parakeets typically use materials such as paper strips, wood shavings, and dried grass or coconut fibers to build their nests in a cage. It's important to provide these nesting materials for their comfort and natural behavior. Additionally, some parakeets may use their own feathers to line the nest.
Nesting a function is putting one function inside another. This can be done for more complex formulas. Nesting has to be done carefully as it is easy to make mistakes and get the wrong results, or for the formula not to work at all.
Killdeer are birds that make their nest on the ground, usually on gravel. When the young are born the are ready to run.
Behavior. Peregrine Falcons have adapted to living in many cities and make use of tall buildings that provide suitable ledges for nesting
Primary cavity nesters make their own cavities (woodpeckers) and secondaries use existing cavities (Purple Martins).
Economics will tell you what kind of industries make money for the people of an area and the area as a whole.
A tree. A Russian Nesting doll is made of wood.