1.   Then the pigeons flew into thick fog, and the famous homing instinct failed.

2.   And the efforts to avoid those hazards by transporting them downriver in barges or trucks impair the remarkable homing instinct they use to return to their spawning grounds.

3.   But it just got to be where the homing instinct came over me, and I wanted to be in Texas a little bit more.

4.   Homing instincts will get birds back, but fliers use lures to bring them home sooner.

5.   If you want to study pigeons you study their homing instinct.

6.   It was as though a kind of primitive homing instinct was at work.

7.   Most animals have innate homing instincts.

8.   Those who chase opportunity elsewhere often are guided back by a homing instinct.

9.   Wild salmon have an impressive homing instinct that lets them find their native streams after spending a lifetime at sea.

10.   With their well-developed homing instincts, they may even come back to the zoo.