* Camouflage: Great blue herons have long, dark feathers that help them blend in with their surroundings. This makes it difficult for predators to spot them.
* Size: Great blue herons are large birds, with a wingspan of up to 6 feet. This size makes them intimidating to predators.
* Sharp beak and talons: Great blue herons have a long, sharp beak and talons that they can use to defend themselves against predators.
* Flight: Great blue herons are powerful flyers, and they can use their wings to escape from predators.
* Mobbing: Great blue herons will sometimes mob predators, flying at them and making loud noises. This can be effective in scaring away predators.
* Nest defense: Great blue herons will aggressively defend their nests against predators. They will attack any animal that comes near their nest, including humans.