The Lord Howe Island stick insect breeding program at the San Diego Zoo works to help sustain populations of the rarest insect in the world. Previously thought to be extinct on the Lord Howe ...

The rare Lord Howe Island stick insect, also known as "tree lobsters," were believed to be extinct until a few were rediscovered in 2001.

The Lord Howe Island stick insect vanished from its home, but an effort at zoos in San Diego and Melbourne highlights the possibilities and challenges of conserving invertebrate animals. Lord Howe ...

The stick insects are native to the Lord Howe Island group, off the eastern coast of Australia, zoo officials said. They are nocturnal and flightless, and grow up to 6 inches long.

The Lord Howe Island stick insect was thought to be extinct for many years until several of the species were discovered on a nearby ‘sea stack’ in 2001.

The Lord Howe Island stick insect was thought to be extinct for many years until several of the species were discovered on a nearby 'sea stack' in 2001.

The zoo is among six institutions around the world that have been able to create living conditions for the largest species of flightless insect, the Lord Howe Island stick insect, which grows up ...

The stick insects are native to the Lord Howe Island group, off the eastern coast of Australia, zoo officials said. They are nocturnal and flightless, and grow up to 6 inches long.

The Lord Howe Island stick insect was thought to be extinct for many years until several of the species were discovered on a nearby ‘sea stack’ in 2001.

The Lord Howe Island stick insect was thought to be extinct for many years until several of the species were discovered on a nearby ‘sea stack’ in 2001.

The stick insects are native to the Lord Howe Island group, off the eastern coast of Australia, zoo officials said. They are nocturnal and flightless, and grow up to 6 inches long.

The Lord Howe Island stick insect was thought to be extinct for many years until several of the species were discovered on a nearby ‘sea stack’ in 2001.