breeding ground

Long bottle-style feeders with yellow plastic flowers around nectar holes are breeding grounds for mold.

They are actually going away from food sources and breeding grounds.

Long-distance migrants travel from their breeding grounds in Europe.

This environment has become a breeding ground for false claims.

In spring when kingfishers arrive on their breeding grounds, males establish their nesting territory.

The absence of law and order creates the perfect breeding ground for revenge.

Of course the Internet, where the cat is king, has proved a fertile breeding ground for these ventures.

Mayor Gardner noted that a lake that had served as a summer breeding ground for migratory cranes recently disappeared.

At the time, New Orleans was a breeding ground for yellow fever and cholera.

Used, hubcap-free tires are well known to sequester standing water—a perfect breeding ground for the next generation of mosquitos.

It continues until mid-May, by which time the last of the migratory birds will have reached its distant breeding ground.

What has he ever done, in all his dull days, to make that harmless mind a breeding-ground for every sort of degenerate idea?

It is a breeding-ground for a whole new philosophy of heaven, hell, and the New Haven Railroad.

The family is at once the seat of the greatest liberty, and the home and breeding-ground of the greatest tyranny.

The Farn Islands, off the coast of Northumberland, are considered to be the extreme southern limit of its breeding-ground.