Question R1 Q22 - NSB MS 2014

In addition to being birds, what do the Great Auk, moa, passenger pigeon, and Carolina parakeet have in common?

W) They are all listed as invasive species in North America

X) They are all extinct

Y) They are all listed as threatened species in their native habitats

Z) They are all being raised in captive breeding programs for later release into the wild

Science Bowl Question