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A tortoiseshell cat and a tortoise rest on a wide windowsill in warm light, with a coffee mug and glasses nearby. 10 / 21

A Tortoiseshell Cat and a Tortoise Soak Up the Window Sun

AI imagetortoiseshell cattortoisewindowsill

A fluffy tortoiseshell cat sprawls on a wide windowsill with her paws stretched toward Gus, who sits in the sunlight, head forward. A coffee mug, a pair of glasses and a stack of papers rest behind them, as if someone just stepped away from a good book. The cat's coat is a swirl of amber, black and brown, a bit like the pattern on a tortoise's shell. The sun warms everything, and a lamp stands in the corner. Both animals are perfectly relaxed. The mug beside them has cooled long ago, and neither animal seems to care.

Tortoiseshell cats get their mix of black and orange from genetics, and nearly all of them are female. Many owners say they have a strong personality, sometimes called tortitude, though every cat is an individual. Sunbathing is natural for cats and reptiles alike. Tortoises need access to sunlight or special UVB lighting to process calcium and keep their shells healthy, but glass filters out much of the UV, so a window is not a replacement for safe outdoor sun or proper lighting. Your vet can explain the right setup. Cats on windowsills should have secure screens. Cats also enjoy a perch with a view, so a cushion on the sill makes a favorite spot even better.

The sun keeps moving, and so do the shadows, but the two friends stay put. The light is warm, and the afternoon is long.

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