(AP)—Ruby-throated hummingbirds are migrating to North America weeks earlier than in decades past, and research indicates that higher temperatures in their winter habitat may be the reason.
How flowers have evolved particular colours, shapes and scents to attract pollinators has long fascinated ecologists. Now, using artificial flowers and high-speed video, researchers have gained intriguing insights into the ...
Animals that move backwards usually require a lot of energy, so Nir Sapir from the University of California Berkeley, USA, was surprised when he realized that hummingbirds execute this maneuver routinely. Wondering how hummingbirds ...
(Phys.org) -- Camanchaca, or coastal fog, drapes the mountains of coastal north-central Chile, supporting remnants of a Valdivian temperate rainforest. The forest is a legacy of the last glacial period.
(Phys.org) -- The glacier lily as it's called, is a tall, willowy plant that graces mountain meadows throughout western North America. It flowers early in spring, when the first bumblebees and hummingbirds appear.
Hummingbirds pay no attention to what colour a flower is when figuring out whether to raid it for nectar, the latest research suggests.
A mystery that puzzled Chicago-area birders was solved when Field Museum scientists identified the unusual hummingbird living in an Oak Park, Ill., yard as a member of the rufous species rarely seen in the Midwest.
A new study of flower petals shows evolution in action, and contradicts more that 60 years of scientific thought.
Gallery of fluid motion: Evocative images and animations bring the science of fluid dynamics to life
The beauty of science often is contained in elegant formulas or compelling data. For the study of fluid dynamics, fortunately, that beauty also is manifest in enticing images and animations of interesting phenomena. These ...