11.   Some whale experts argue that the existing salt factory on the edge of another breeding area had not reduced the number of gray whales that migrate there.

12.   That instinct has left them with a shrinking breeding area as human habitation spreads.

13.   The breeding areas consist of territories, which are sites where flycatchers are or have been seen.

14.   The Larvasonic received a patent last October, and deliveries of a unit designed to work in storm drains, a prime mosquito breeding area, began last month.

15.   The Larvasonic received a patent last October, and deliveries of a unit designed to work in storm drains, a prime mosquito breeding area, began in February.

16.   The program involves affixing tiny radio transmitters to geese in the Quebec breeding area and then tracking their movements by satellite.

17.   Three-quarters of the breeding areas have five or fewer birds, and many consist of a single, unmated male.

18.   Flooding in many areas of central Luzon has created stagnant pools of water, a favorite breeding area for dengue- and malaria-causing mosquitoes.

19.   Homeowners can buy the larvae-killing pellets at home and treat mosquito breeding areas on their own property.