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

Males aren’t the only angry birds defending their territory. A clever test finds which songbirds step up to fight off intruders and the role monogamy plays.

By: Benjamin Freeman, Georgia Institute of Technology and Shreyas Arashanapalli, Georgia Institute of Technology, The Conversation

Outlets: The Conversation

Published: April 22, 2026

Words: 1,229

Last Updated: 3 months, 1 week ago

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By Benjamin Freeman, Georgia Institute of Technology and Shreyas Arashanapalli, Georgia Institute of Technology

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 all. Yet birds are not singing to soothe our nerves after a stressful day at the office. Instead, they sing to defend their territories and attract mates.

The traditional view of …

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