This parasitic cuckoo bird shows cheaters don’t always get ahead
Anis that slip extra eggs into other nests end up with as many surviving chicks as honest anis
![greater ani bird](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/02/022619_SM_cuckoo_feat.jpg?fit=860%2C460&ssl=1)
SOMETIMES SNEAKY The tropical bird called a greater ani has inspired a detailed test of how much cheating pays. Some individuals sneak eggs into neighbors’ nests and some don’t.
Luke Carabbia