A few are missing, but this skull has places for 50 teeth: the most of any terrestrial mammal in North America! These abundant and diversely shaped teeth served an adaptable, opportunistic animal: the Virginia Opossum (Didelphis virginiana). First introduced to California in 1910, they are now seen year-round in much of our region. Their abundance […]

Behold: an octopus with a shell! Known as an argonaut, this octopus lives in the open ocean rather than on the sea floor. Females build paper-thin shells to protect their eggs. They live in warmer waters to the south. Summertime currents sometimes bring surface-dwelling warm-water species like this up into the transition zone of the […]

Rare depiction of the extinct Dodo bird by George Edwards, an English naturalist, printed in A Natural History of Uncommon Birds in London, 1757. The Guinea Pig was added purely for scale. George Edwards FRS (3 April 1694 – 23 July 1773) was known as the “father of British ornithology.” This Curator’s Choice image was […]

The study of insects was growing in popularity during the 18th century when physician and entomologist George Panzer published this small-format reference work with his own brief scientific descriptions. Jacob Sturm engraved the more than 2,600 life-size insects, which, despite their size, were exquisitely detailed. It was issued as a serial publication over a number […]

In life, the skull of this Duck-billed Platypus (Ornithorhynchus anatinus) contained a lot of sensing tools for finding prey underwater. The Y-shaped bones at the front supported a bill full of receptors, thousands of which could sense the electrical fields created by the movements of other animals in the water. Echidnas are the closest living […]

The Madagascan Sunset Moth, Chrysiridia rhipheus, was initially described as a butterfly, due to its brilliant colors. However, it lacks the clubbed antennae characteristic of butterflies and therefore is indeed a moth! These moths, which are only found on the island of Madagascar, are toxic to predators when consumed, and advertise their toxicity with their […]

John James Audubon’s painting of the American Bald Eagle feasting on a catfish was made in 1828. It was originally engraved for his famous work, The Birds of America, by Robert Havell in London. In 1858 the work was printed in New York by means of chromolithography for the Bien edition. Audubon described the bird plummeting to […]

This iconic image of the extinct Passenger Pigeon was drawn by Alexander Wilson who published eight volumes of American Ornithology in the early years of the of 19th century. During Wilson’s lifetime, there were millions of these birds darkening the sky. Loss of habitat and over-hunting caused their extinction. The last known of the species, a female, died […]