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Monarch butterfly Danaus plexippus & Queen butterfly Danaus gilippus life cycle on Mexican milkweed Asclepias curassavica.  Illustration includes pupa and caterpillar for both species.

Oak tree Quercus robur in full leaf. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Scarlet macaw parrot Ara macao perched on a branch with foliage.  From The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Branch with flowers and Baobab fruit

Ancient baobab tree showing its distinctive shape

Primrose Primula vulgaris plant showing pale underside and darker top of leaves

Primrose Primula vulgaris

Poppy Papaver rhoeas with bud, seed capsule, and leaf

Oak bark Quercus robur study

Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree

Oak Quercus robur pen and ink tree shape without leaves

Fly agaric Amanita muscaria fungus with stem, soil on the stipe base, and scales on the scarlet cap