KOBE—Homeowners who notice small stones placed on the gate of their house may wonder if a bird picked them up and ... Later, she checked outside, and she found pebbles 1 to 3 centimeters ...

A rough bottom helps to stop the birds from slipping and you could put pebbles in the bottom to vary the depth. Stick in a ramp so other animals can get out if they fall in. You can buy a bird ...

When summer’s bounty of bugs, seeds, and nectar starts to wane, most birds in Colorado seek warmer climes with good food to offer. But one group of birds sticks it out year-round, subsisting on ...

PENGUINS at Edinburgh Zoo have received colourful pebbles, painted especially by children at the Royal Hospital for Children ...