Which of the following statements about the Northern Bald Ibis is incorrect?
1
The Northern Bald Ibis is known for its black plumage with an iridescent green sheen.
2
They primarily feed on insect larvae, earthworms, and other invertebrates.
3
IUCN red list conservation status is Critically Endangered.
4
Northern Bald Ibises are social birds, historically forming large colonies with thousands of individuals.