In the wild, survival means adaptation—and for some animals, that means changing gender! From fish and amphibians to reptiles and invertebrates, these creatures can switch sexes to thrive in their ...

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Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

On January 23, dozens of biologists laden with electrified backpacks, nets and buckets marched into the smoldering moonscape ...

This year the organization counted 9,119 monarchs, the second-lowest total since tracking began in 1997. The organization has ...

In an unusual turn of events, a baby swell shark named Yoko was born at the Shreveport Aquarium in Louisiana. The shark was ...

After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each ...

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

The Xerces Society, a conservation group dedicated to invertebrate protection, announced disheartening news for insect ...

Later this month for Valentine’s Day, the Butterfly Pavilion invertebrate zoo is hosting its annual Romance is Wild exhibit, ...