Animal magnetoreception
Many animals use Earth’s magnetic field to orient themselves. How does that weak field become a signal their nervous systems can use?
Animal navigation
Magnetic senses, stellar compasses, remembered smells and routes through the ocean.
Also in Animal signals and responses
Problems in this collection
4 problemsBogong moth stellar navigation
Rotate a projected Australian night sky and a migrating Bogong moth turns with it. Which celestial pattern does its small brain read?
Salmon olfactory imprinting
A salmon learns stream odors as a juvenile and uses them years later when returning to spawn. How does that memory survive the replacement of sensory cells?
Japanese eel migration
Japanese eel larvae travel from the West Mariana spawning region to East Asia. Which routes and changing depths lead to each coastal arrival?