When in flight, hummingbirds produce more lift from their upstroke
than do other birds, which allows hummingbirds to hover and gives them the capability to extract nectar from plants, whether they be honeysuckle, sage, or fuchsia.
(A) than do other birds, which allows hummingbirds to hover and gives them the capability to extract nectar from plants, whether they be
(B) than do other birds, which means that hummingbirds have the capability to hover and extract nectar from plants, whether
(C) as opposed to other birds, which means that hummingbirds have the capability to hover and extract nectar from plants, including
(D) instead of the lift of other birds, which allows hummingbirds to hover and gives them the capability to extract nectar from plants, including a
(E) instead of other birds, because it allows hummingbirds to hover and gives them the capability to extract nectar from plants, whether