Why do the blue jays and robins in your backyard never seem to interbreed? This is a question that has been on many people’s minds. In fact, there are quite a few scientific theories about why this happens. Some scientists believe that their beaks are too different for them to mate with each other; others think it might have something to do with the timing of when they start nesting; still more say it may just be an old wives’ tale. The truth is, no one really knows for sure. I have a question about the blue jays and robins in my backyard. Why do they never seem to interbreed? This is a question that has been on many people’s minds. In fact, there are quite a few scientific theories about why this happens. Some scientists believe their beaks are too different for them to mate with each other; others think it might have something to do with the timing of when they start nesting; still more say it may just be an old wives’ tale. The truth is, no one really knows for sure. One thing all these experts agree on: let nature take its course! (End) Why don’t Blue Jays and Robins Interbreed? [LINK

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