The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

The snake, possibly an Helicops, struggling not to become a nutritious morsel for the tiger-heron, but it did not succeed.

Eating a chameleon cichlid Australoherus facetus

Eating a chameleon cichlid Australoherus facetus

Eating a chameleon cichlid Australoherus facetus

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.

Victoria and Ricardo witnessed this display between two tiger-herons. They say both tiger-herons kept at several meters distance. Only one makes the whole gestural display while the other (in the last photo) looks impassiblely.