9 November 2023
By Hyun Cho
Diving kingfishers may have genetically adapted to protect themselves during high-speed dives, according to research led by evolutionary biologist Shannon Hackett at the Field Museum in Chicago.
Analysis of 30 kingfisher species' genomes revealed the changes in genes related to brain function, retina, and blood vessel development, suggesting a defense mechanism against the impact of their rapid beak-first dives into water. These birds, reaching speeds of 40 km/h, endure significant pressure on their heads and brains.
The study identified 93 altered genes, notably one linked to the tau protein, known for stabilizing cell structure. While promising, further research is needed to understand how these genetic changes shield the birds during dives. If successful, this insight could inspire strategies against concussions in humans.
While the findings raise intriguing possibilities, further research is imperative to unravel the precise mechanisms by which these genetic changes safeguard the birds during their high-velocity dives.