In a drought-hit Mexican border region at the center of growing competition with the United States for water, ...

The Colorado River Delta is an important rest point for migratory birds including the yellow-breasted chat, vermilion flycatcher and endangered yellow-billed cuckoo, according to conservationists.

Conservationists have cleared invasive shrubs and planted thousands of native trees in the Colorado River Delta, part of a Mexican region bordering the United States ...