No bells tolled when the last Catarina pupfish on Earth died. Newspapers didn't carry the story when the Christmas Island pipistrelle vanished forever. Tropical forest logging has contributed to population declines in many animals,  including the Bornean gibbon, known for its whooping call  [Credit: Gerardo Ceballos]Two vertebrate species go extinct every year on average, but few people notice, perhaps because the rate seems...

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]