And just as their numbers were rebounding in the mid-20th century -- shooting up to 900, 1,000, 1,100, 1,200 -- just as that started happening, we started draining the southern Everglades.
E mesmo quando o número deles  estava a aumentar, em meados do século XX — disparando para 900, 1000, 1100, 1200 — mesmo quando isso estava a acontecer, começámos a drenar o sul dos Everglades.