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What is the Difference Between a Nest and a Roost?

A nest is a carefully constructed home where birds lay eggs and nurture their young, often a symbol of comfort and family. In contrast, a roost is a temporary perch where birds rest or sleep, a nightly haven for recuperation. Curious about how these avian abodes reflect bird behavior and survival strategies? Let's take a closer look at their fascinating world.
Mary McMahon
Mary McMahon
Mary McMahon
Mary McMahon

A nest and a roost are two very different things, although both are used by birds, and in some cases, birds use both, depending on the situation and their needs. Simply put, a nest is a constructed space in which birds can sit or squat, while a roost is a perch, which a bird must grip to sit on. Nests and roosts are both used for sleeping and sheltering from predators, but only a nest can be used to incubate eggs.

When birds build a nest, they collect materials to create a structure and line it, or to line an existing space. Depending on the species, these materials can include twigs, feathers, grasses, animal hair, paper scraps, and a wide assortment of other things. Many nests are constructed in sheltered, hidden areas, allowing birds to hide on the nest. This is extremely important, since nests are used for incubating eggs.

Baby birds are kept safe and warm in a nest.
Baby birds are kept safe and warm in a nest.

When birds breed and produce eggs, the eggs need to be kept warm until they hatch. This usually means that one or both parents must sit on the eggs for a set period of time, allowing the embryos to develop into baby birds. Obviously, eggs cannot balance on a perch, so a nest needs to be built to hold them during the incubation period and to protect the young birds until they are old enough to fly.

When birds produce eggs, the eggs need to kept warm until they hatch.
When birds produce eggs, the eggs need to kept warm until they hatch.

A roost, on the other hand, is simply a perch. Many birds roost to sleep, flying up into trees and perching on twigs and branches to shelter themselves from predators on the ground. Birds also hang out on roosts to keep an eye on potential prey and to lounge out of reach of predators. Often, a nest and a roost are very close, providing options for birds while they breed and raise young.

Only passerine birds can roost, as they have feet that allow them to grip things.
Only passerine birds can roost, as they have feet that allow them to grip things.

Another crucial difference between a nest and a roost is that while most birds build nests of varying types, not all birds roost. Only passerine birds can roost, as they have specifically developed feet that allow them to grip things. Passerines have three forward facing toes and one toe that faces in the other direction, creating a clamp that can be used to keep the bird on a branch, even while asleep, while other birds lack this ability.

Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllThingsNature researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

Learn more...
Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllThingsNature researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

Learn more...

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Discussion Comments

backdraft

So I have heard of constructing birdhouses which is basically a place for a bird to build a nest. But has anyone ever tried constructing a roost? Could something like this even be possible and would birds ever choose to use it?

tigers88

There is a set of power lines close to where I work where everyday there are at lest 500 birds roosting. It is a really incredible site to see.

Sometimes something will spook them and they will all burst into the air at one. It looks like a huge black cloud in the sky. I'm not sure what attracts all of them to that one spot but they are there every day

nextcorrea

My dad used to cut my brother and I's hair in the basement with a pair of buzz cutters. He would gather up all the cut hair and throw it out into the backyard for the birds.

Without fail that hair would be gone within a matter of days. I was always kind of weird to think about birds sleeping on your hair but when we were kids we got a big kick out of the idea.

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    • Baby birds are kept safe and warm in a nest.
      By: zidianphoto
      Baby birds are kept safe and warm in a nest.
    • When birds produce eggs, the eggs need to kept warm until they hatch.
      By: sergei_fish13
      When birds produce eggs, the eggs need to kept warm until they hatch.
    • Only passerine birds can roost, as they have feet that allow them to grip things.
      Only passerine birds can roost, as they have feet that allow them to grip things.