Though the whales' scientific name is Monodon monoceros, "one tooth, one horn," an occasional male has two tusks (the NMNH has two rare specimens) and only 3 percent of females have a tusk at all.

A juvenile minke whale stranded multiple times in the San Francisco Bay was euthanized due to its deteriorating health. The whale, rarely seen in the area, exhibited signs of severe sunburn ...

Reader Todd Mackinaw recently admired how the great horned owl can thrive from the Brooks Range in Alaska all the way to Uruguay in South America. The knee-high owl, known for its “plumicorns ...