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Biology
Underestimated female tutors: Zebra finch mothers coach their sons to sing better
Female zebra finches play a far more active and crucial role in shaping their sons’ singing abilities than previously thought: They call in response to their son’s vocal exercises, which activates a neural circuit in the male brain. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-53251-z In the world of zebra finches, males singing, and females were thought to just listen. But…
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Science
Making Darwin’s finches sing can help establish connections between environmental changes and the emergence of new species
The beak of Darwin’s intermediate finch can evolve to crush hard seed shells. Credit: Andrew Hendry They say “hindsight is 20/20,” but ecological speciation theory (the theory that new species emerge in response to ecological change) seems to hold true in hindsight. Until now, it has been difficult to prove this experimentally. In a study published in the journal Science,…
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