A new study has mapped food specialization in hummingbird communities across the Americas, leading to a rare documentation of a large scale ecological pattern. It reveals that communities with high levels of food specializations ...
Plants & Animals
Feb 2, 2016
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Rapeseed is one of the ten most important agricultural crops worldwide. In spring, the rapeseed fields with their bright yellow flowers are widely visible: this year winter rapeseed is being cultivated on 1.46 million hectares ...
Plants & Animals
Mar 29, 2010
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Scientists from Queen Mary, University of London have tracked bumblebees for the first time to see how they select the optimal route to collect nectar from multiple flowers and return to their nest.
Plants & Animals
Sep 20, 2012
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(Phys.org)—A clever, exhaustive experiment created and carried out by a combined team of researchers from Germany, the U.K. and the U.S. has explained why some nectar-producing plants produce dilute nectar in spite of a ...
Hummingbird metabolism is a marvel of evolutionary engineering. These tiny birds can power all of their energetic hovering flight by burning the sugar contained in the floral nectar of their diet.
Plants & Animals
Dec 5, 2013
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Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. Scientists ...
Plants & Animals
Sep 27, 2010
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(Phys.org) —Caffeine is the naturally occurring drug most widely used by humans. In nature, though, it is reported to act as a bitter and toxic deterrent to herbivores, preventing leaves and seeds from being eaten.
Plants & Animals
May 13, 2013
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A new study reveals the reason why orchids use sexual trickery to lure insect pollinators. The study, published in the January issue of The American Naturalist, finds that sexual deception in orchids leads to a more efficient ...
Plants & Animals
Dec 17, 2009
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(PhysOrg.com) -- Some consider the Noisy Miner bird a badly-behaved backyard bully - an avian aggressor that moves into the neighbourhood and quickly takes over.
Plants & Animals
Dec 8, 2009
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Plants that secrete colored nectars are part of an exclusive club. To date, only 70 plants in the world are on that list. The colors lure in pollinators, but more recently they sparked the interest of researchers and industry ...
Plants & Animals
Jan 25, 2022
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