This episode explores new research, which has found that small perching birds, such as blue and great tits, avoid breeding in urban areas where there are many non-native trees.
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Read this episode’s science poem here.
Read the scientific study that inspired it here.
Read ‘The Birds’ by Linda Pastan here.
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Music by Rufus Beckett.
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Email: sam.illingworth@gmail.com
Twitter: @samillingworth