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A butterfly comes out of its cocoon at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

Pets

See butterflies spread their wings for spring in this week's best animal pictures

/ 8 PHOTOS
A butterfly comes out of its cocoon at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

Spread your wings

A butterfly comes out of its cocoon at an exhibition of tropical butterflies at the botanical garden in Prague on April 9.

— AFP - Getty Images
A girl looks on a butterfly sitting on her hand during an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

A girl looks on as butterfly sits on her hand during an exhibition of tropical butterflies at the botanical garden in Prague on April 9.

— AFP - Getty Images
Two butterflies sit on a twig at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

Two butterflies sit on a twig at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

— AFP - Getty Images
A butterfly spreads its wings after coming out of its cocoon at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

A butterfly spreads its wings after coming out of its cocoon at an exhibition of tropical butterflies at the botanical garden April 9, 2017 in Prague.

— AFP - Getty Images
A Monarch butterfly (Danaus plexippus) caterpillar is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017. Millions of monarch butterflies arrive each year to Mexico after travelling more than 4,500 kilometres from the United States and Canada. / AFP PHOTO / PEDRO PARDOPEDRO PARDO/AFP/Getty Images

A Monarch butterfly caterpillar is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017.

— AFP - Getty Images
A Monarch butterfly (Danaus plexippus) is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017. Millions of monarch butterflies arrive each year to Mexico after travelling more than 4,500 kilometres from the United States and Canada. / AFP PHOTO / Pedro PardoPEDRO PARDO/AFP/Getty Images

A Monarch butterfly is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7.

— AFP - Getty Images
A Monarch butterfly (Danaus plexippus) is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017. Millions of monarch butterflies arrive each year to Mexico after travelling more than 4,500 kilometres from the United States and Canada.

Millions of monarch butterflies arrive to Mexico each year after travelling more than 4,500 kilometres from the United States and Canada.

— AFP - Getty Images
A Monarch butterfly (Danaus plexippus) is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017. Millions of monarch butterflies arrive each year to Mexico after travelling more than 4,500 kilometres from the United States and Canada.

A Monarch butterfly (Danaus plexippus) is pictured at a butterfly farm in the Chapultepec Zoo in Mexico City on April 7, 2017. Millions of monarch butterflies arrive each year to Mexico after travelling more than 4,500 kilometres from the United States and Canada.
— AFP - Getty Images
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