Brown Pelicans Made a Comeback But It Took Decades!
Back in the 60’s, it was discovered that the pesticide called DDT was killing entire species of animals and poisoning their food chains. One suck species was the brown pelican, found on the southern coast of the US.
DDT weakens the eggshells of the bird. DDT makes the eggs so thin and fragile that they collapse under the weight of their nesting mother.
Conservationists finally got DDT banned nationwide in 1972 and the following year the brown pelican was listed on the endangered species list.
In 2009, some 40 years later, the species and their subspecies were recovering well enough (through conservation efforts and breeding programs) to be taken off the endangered species list. Sanctuaries, reserves, and natural areas have been established to protect nesting habitat and fledging areas from human disturbances and to preserve nearby marine resources.
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