El Hierro Giant Lizard

The El Hierro Giant Lizard (Gallotia simonyi) is a monumental lacertid reptile endemic strictly to the rugged volcanic island of El Hierro in the Canary archipelago. Once abundant across the entire island before human colonization, this ancient survivor suffered...

Beck’s Petrel

Beck’s Petrel (Pseudobulweria becki) is a small, critically endangered gadfly petrel that cruises the vast, storm-tossed waters of the Bismarck Archipelago and Solomon Sea in the tropical southwestern Pacific. Believed to be entirely extinct for nearly eight...

Florida Nutmeg

The Florida Nutmeg (Torreya taxifolia), also known as the Florida Torreya or Stinking Cedar, is one of the rarest and most critically endangered coniferous trees on planet Earth. Endemic to a fragile, narrow microclimate along the steep bluffs and ravines of the...

Freshwater Pearl Mussel

The Freshwater Pearl Mussel (Margaritifera margaritifera) is an ancient, ultra-long-lived unionid bivalve inhabiting the pristine, cold-water headwater streams of the Holarctic. Capable of living for over two centuries, this humble mollusk ranks among the...

Nihoa Millerbird

The Nihoa Millerbird (Acrocephalus familiaris kingi) is a tiny, critically endangered reed warbler endemic to the rugged volcanic island of Nihoa in the Northwestern Hawaiian Islands. Possessing modest olive-brown and buff plumage, this hyperactive songbird earned its...