This Tortoiseshell Cat has a PhD in teaching life lessons, and her little human sister takes it all in stride with the best ...

Dilute tortoiseshell coloring occurs due to a recessive gene that causes a softening of the coat colors. So, instead of dark black and bright orange, these cats will have a soft grey (softened ...

The mom behind @russellranchaussies' TikTok account knew this day was coming, but I can only imagine the smile on her face as she watches her Australian Shepherds and tortoiseshell cat swarm the ...

Jean is a tortoiseshell cat, while Jorts is large, sweet and orange. While Jean is overall fairly intelligent, Jorts is not. This follows the stereotypes many cat lovers joke about: tortoiseshell ...

A small tortoise-shell cat stars in a new General Electric television commercial, getting most of the credit for founding GE's thermoplastic business. The year is 1953. In the ad, the cat crawls ...

A prime example of X inactivation is in the coat-color patterning of tortoiseshell or calico cats (Figure 1). In cats, the fur pigmentation gene is X-linked, and depending on which copy of the X ...

Samantha Rose Baldwin, an actress who appeared in the Gossip Girl reboot, detailed the “terrifying” experience of running through the Palisades Fire to save her 10-year old tortoiseshell cat ...