Migration Quote by Jennifer Ackerman
““MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes a lot of energy and develops slowly would be too costly for birds that travel a lot.””
About This Quote
Source Book: The Bird Way by Jennifer Ackerman, 2020
Migration involves trade‑offs; birds that travel long distances have smaller brains to conserve energy, contrasting with sedentary species.
In simple terms: Traveling birds have smaller brains to save energy.
Consider energy costs of movement.
Themes
Mood
Type
When to use this quote
- studying animal behavior
- conserving energy
- designing efficient travel
- ecological research
Key Concepts
Questions to Reflect On
- What other adaptations compensate for smaller brains?
- How do trade‑offs shape evolution?
Brain size isn’t the sole measure of intelligence.