This honeybee is harvesting pollen and nectar (a sugary solution secreted by flower glands) from a Scottish
broom flower. The flower has a tripping mechanism that arches the stamens over the bee and dusts it with pollen,
some of which will rub off onto the stigma of the next flower the bee visits.
Video: 
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The long, thin beak and tongue of this rufous hummingbird enable the animal
to probe flowers that secrete nectar deep within floral tubes. Before the
hummer leaves, anthers will dust its beak and head feathers with pollen.
Many flowers that are pollinated by birds are red or pink, colors to which bird eyes are especially sensitive.
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Some angiosperms, such as this cactus, depend mainly on nocturnal pollinators, including bats.
Adaptations of such plants include large, light-colored, highly fragrant flowers that nighttime pollinators can locate.
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