Whether searching for prey in the tropical canopy or stalking a meal over a spongy moss carpet, forest predators rely on “stealth-like” skills to survive. Natural instincts kick in right from birth, and in one never-before-seen case, even before birth. For the first time captured on camera, watch glass frog embryos hatch early to escape a little-known but lethal wasp, while their father fiercely defends the babies with his martial arts moves.

• Eleanor Grant

• Boone Smith