Better protection in the late 19th and early 20th centuries allowed birds to return to most or all of their former range.

The position of such spots on the beak may be important in allowing birds to identify conspecifics.

If left unchecked, this can allow birds to perch easily on top.

They allow dogs, cats and birds, but not ferrets.

Its garden door was open, allowing in, along with the summer breeze, a couple of the banana birds which haunted the date trees Mary tended.

Some ringing projects also use colour rings to allow individual birds to be identified without being caught.

The animator's art allows birds, animals, insects and fish both to show feelings and to change them.

The ban was made permanent in 2007, allowing only captive-bred birds from approved countries to be imported.

This requirement may be fulfilled by making the bowl shallow enough to allow birds to perch in the water.

This crop has an open structure, allowing birds to forage.