Bogong Moths
This paper is about the extraordinary Bogong moths of Australia who navigate to caves in the mountains during the summer to avoid high temperatures
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Magnetic Compass Orientation
This paper is a very good overview of the thinking about avian migratory navigation and acknowledges that birds use all the cues that are available to them to navigate successfully. Magnetic Compass Orientation in a Palaearctic–Indian Night Migrant, the Red-Headed Bunting Summary The earth’s magnetic field, celestial cues, and retention of geographical cues en route…
Another story of a person saved by their dog
The story is about a three years old girl lost in Siberia, she was with the family dog and a few days later the dog showed up at the home and they thought that the little girl would die because of the cold. But the dog guided the family to the girl that was rescued…
The need for help
It is interesting, that the need to know how to get somewhere is often the trigger that enables navigation to begin. I discussed this with a friend of mine, whose wife always says, “Why do you use a SatNav when your own direction finding is better every time?” We discussed how his sense of direction…
Head direction cells in a migratory bird prefer north
Animals exhibit remarkable navigation abilities as if they have an internal compass. Head direction (HD) cells encoding the animal’s heading azimuth are found in the brain of several animal species; the HD cell signals are dependent on the vestibular nuclei, where magnetic responsive cells are present in birds. However, it is difficult to determine whether…