It was a spirited debate between friends that surfaced every time we got together. It was not about politics, the economy or the weather, but the more significant question, do birds have bills or ...

Have you ever wondered why the Bald Eagle’s beak has a sharp curve at the end of the top of the beak yet sparrows’ beaks are short and end in a conical shape? A macaw’s beak is short and curved on the ...

Few people have the tenacity of ecologists Peter and Rosemary Grant, willing to spend part of each year since 1973 in a tent on a tiny, barren volcanic island in the Galapagos. Even fewer would have ...

Nearly 200 years ago, based on observations of finches in the Galápagos Islands, Charles Darwin proposed that a species may diverge in traits when competing for resources, and now, supporting this ...

Cities slowed down in unprecedented ways during the outbreak. Streets emptied, food waste decreased, and daily human presence fell dramatically. This transition caused an unprecedented stop for ...