Once the butterfly lays eggs on your beloved citrus ... Some trees that satiate the lime swallowtail caterpillar's appetite ...

The citrus swallowtail is widespread in several areas, including the Caribbean and southern Asia, and it has been seen in savannahs, gardens, and evergreen forests. Also called the common lime, the ...

Enjoy these fascinating swallowtail butterfly facts. Female Swallowtail Butterflies Produce Many Eggs A female black swallowtail can lay up to 400 eggs in her short life. Check out six common types ...

Some passionflowers transform parts of their leaves into shapes that resemble butterfly eggs; mother butterflies, seeing the "eggs," move on to other plants to deposit their babies. Such mimics ...

A version of this story appears in the February 2017 issue of National Geographic magazine. Citrus, in many ways, stands alone. So many cultivated species have come from so few primary ancestors.

Here, RSPB volunteer Jenna explains why the magnificent Swallowtail butterfly is so special. Sophie Okonedo and Mark Rylance star in the first of Steve Waters’s seasonal dramas following the ...

A huge variety of animals produce eggs. These help to protect and provide for offspring as they develop. There are over 500 species of shark living in waters around the world and the majority give ...

Site manager Tim Strudwick said people come from around the UK to see the "separate subspecies of swallowtail". Shaun Whitmore/BBC Butterfly enthusiasts know they are only likely to see ...

Egg whites are low in calories, carbs, fat, and cholesterol, but high in protein. They provide fewer nutrients compared with whole eggs. Eggs contain many beneficial nutrients that may help ...

Place the eggs in a large saucepan and cover with cold water. Place over a low heat and bring to a simmer. For large eggs allow 9 minutes; medium eggs 8 minutes; small 7 minutes and for quails ...

But frothy egg whites deserve a seat at the bar: They add a soft and rich sensation that smooths out the sharp, tart flavor notes of acidic citrus cocktails. While it seems unusual, the concept ...