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It’s a sing-off! Myth-busting about birds and sex when it comes to defending the nest

  • Written by Benjamin Freeman, Assistant Professor, School of Biological Sciences, Georgia Institute of Technology
imageDon't mess with my territory. Male northern parulas sing and get physically aggressive when intruders invade their space.Pranav Gokhale

Each spring, birds across America are in full voice. Cardinals chatter, sparrows sing and warblers warble. Birdsong lifts the human spirit – “‘Hope’ is the thing with feathers,” after...

Read more: It’s a sing-off! Myth-busting about birds and sex when it comes to defending the nest

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