New research from CU Boulder confirms that there are not, in fact, multiple species of Redpoll Finches, as previously thought For birders struggling to figure out what kind of Redpoll they’re watching ...
Spruce trees provide two types of food; cones like this one that contain seeds for birds to eat and needles that caterpillars eat. / BILL DANIELSON / For the Gazette Sign up for the Gazette's morning ...
Darwin's finches in the Galápagos archipelago provide an iconic model for the evolution of biodiversity on earth due to natural selection. A team of scientists from Princeton University and Uppsala ...
There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the islands ...
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