Mass beaching fuels Japan quake fears
Antonio Nafarrate, one of our editors, shares this with you:
He explains that this was caused by changes in the gravitational topography.
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While advances in biologging have revealed many spectacular animal migrations, it remains poorly understood how young animals learn to migrate. Even in social species, it is unclear how migratory skills are transmitted from one generation to another and what implications this may have. Here we show that in Caspian terns Hydroprogne caspia family groups, genetic and foster…
Animal navigation and biological rhythms: the inertial theory by Antonio B. Nafarrate
Editor’s comments: This paper is quite old but it does propose another navigation mechanism than the current obsession with magnetic orientation. The magnetic field has the terrible drawback of changing all the time and birds have migrating successfully before and after the Earth’s magnetic field flipped South for North. Albatrosses fitted with head magnets (to…
Data collection for tracking animals
You may be interested in how the data is collected for tracking animals. Biotrack is a British company that helps and advises on the best systems to use. The geolocator is fascinating, it uses The longitudinal estimate of the location of the tag at any point in time is determined with reference to the time of…
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A recent paper called “Modelling collective navigation via non-local communication”has been published by S. T. Johnston(1) and K. J. Painter(2). They tell us that a group of individuals produce better navigational results thanindividuals which is why flocks of birds are more efficient than a solo migrant. TheRAF confirms this where they have found that a…
Animals finding their way home
One of our board members, Antonio Nafarrate, has brought this intriguing piece of news to our attention – snakes in the Everglades can find their way home. As we have always said, there is something going on with animals who find their way home and this is another example. I have a friend, Jill Moss who…
Further background information on Navigation based around Gravity and Gyros by Antonio Nafarrate
Let us take a fun ride to the North Pole and set up a pendulum. Once we are done we should launch it to swing taking care that we do not push it left or right so it swings in a nice vertical plane. After an hour has passed we notice that the plane of oscillation has rotated…