A Moment of Science

Posts tagged cardinal

October 11, 2010

 

blue bird by a tree

Why Blue Birds Aren’t Blue

Are you a bird watcher? Well, you should know that a bird that appears blue is actually colorless.

July 12, 2008

 

Red-winged black bird in grass

Why Are Male Birds So Fancy?

Have you noticed how male birds seem to be more brightly colored with more variation in feathers than female birds? Learn why on this Moment of Science.

June 30, 2005

 

Blue Birds Ain’t Blue

One of the loveliest sights an ornithologist runs across is the iridescent blue found in some birds’ plumage. Sure, cardinals have red feathers and finches have yellow feathers, but if you ever run across the gleaming, almost metallic-looking blue of an indigo bunting, you won’t forget it. The colors shimmer and shine like oil on water. Learn more on this Moment of Science.

September 27, 2003

 

A Band of Birds

Also, when birds are trapped over and over again through the years, this gives scientists a sense of their lifespan. How else can you know if the cardinal at your bird feeder is the same one that was there last year?

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