鸭 / Duck

My webbed feet show how shared limb bones get swimming upgrades—your toes chose a different wardrobe!
我的蹼足展示共同的肢骨怎样升级成游泳装备——你的脚趾，选择了另一种穿搭！

Sources
Three chromosome-level duck genome assemblies provide insights into genomic variation during domestication
https://www.nature.com/articles/s41467-021-26272-1
Requirement for BMP signaling in interdigital apoptosis and scale formation.
https://doi.org/10.1126/science.272.5262.738
The cellular and molecular origins of beak morphology.
https://doi.org/10.1126/science.1077827
Species reference
https://en.wikipedia.org/wiki/Duck

Research context
Ducks illustrate a living bird adaptation to aquatic life. Their webbed feet, bills and development provide comparisons for how a shared vertebrate body plan becomes specialized for different environments.