The Caribbean is reeling after back-to-back Category 5 hurricanes roared through the region earlier this month. Irma destroyed or damaged 95 percent of the homes and buildings on Barbuda, slammed Cuba, and continued into Florida, where it wiped out all the endangered Everglade Snail Kite’s active nests at Lake Okeechobee. Then, Maria battered Dominica and pummeled Puerto Rico. Maria, the strongest hurricane to hit Puerto Rico since 1928, knocked out power for the entire island, and getting food, water, and medicine to residents remains an urgent challenge. Some islands were hit by both storms, which caused dozens of deaths. While not economically wealthy, many of the islands hardest hit by the storms are rich in bird diversity. There are 172 bird species found only in the Caribbean—many limited to a single island—and 56 of them are threatened with extinction, according to the nonprofit conservation group BirdsCaribbean. Inhabiting such a limited range makes these species...