South Hamerica 1-19

 is the nineteenth level of South Hamerica.

Strategy
Sling Chuck high, high through the sky and pop the Medium Pig at the structure above (with the wooden block holding the boulders and a Medium Pig). Then sling Stella to the bottom left structure to destroy 3 of the 4 pigs there and then, she will blows bubbles up and when they're popped, the blocks should fall down and pop the Medium Pig below. You can use the second Chuck to destroy the wooden block which is holding the boulders for bonus score. Then, use the remaining birds to destroy the remaining pig at the right and destroy the TNT box.