The Claws Come Out

Peter Marra’s new book, “Cat Wars,” makes a convincing case that unconfined felines are taking a major toll on wildlife — and putting the growing ranks of cat lovers and bird lovers on an ugly collision course. The war — call it Big Cat vs. Big Bird — is on. And right now, we’re all losing.

Furry Animals, Fuzzy Science

Turning college team mascots into icons of wildlife conservation seems like a winning strategy, but there is surprisingly little science to suggest that it can really help to protect species — particularly those that are critically endangered. Still, a growing number of schools are giving it a go.

Endangered: A Bird and a Tribe

The Blue-bearded helmetcrest is a vanishingly rare hummingbird, and until March of last year, it hadn’t been seen in the wild for nearly 70 years. I traveled to the high mountains of Colombia to see it for myself, and returned with lessons both unexpected and essential in the complex ethics of conservation.