Heres how to welcome your birds all winter long.

Getty Images

Watching many different kinds of birds visit your feeders is enjoyable, no matter what the season.

But birds also need water year-round to stay healthy.

Frost covers a garden and birdbath as the water in the birdbath sits frozen with a leaf laying inside it.

Credit:Getty Images

Feather maintenance is a very important part of a birds life and critical during migration seasons.

Avoid soaps, which can strip oils which are essential to a birds feathers.

Some devices require electricity, while others are battery or solar-powered.

The water movement also prevents mosquitoes from laying their eggs in the birdbath in warmer months, says Smalling.

There also are add-on heaters that can be used in any birdbath.

Some types are thermostatically-controlled so they turn on only when the temperature drops below freezing.