by Roger Abrantes | Jan 13, 2017 | Science Article
In 1926, there were no wolves remaining in Yellowstone, the species’ former native home. Between 1977 and the re-introduction in 1995, we have reliable reports of wolves being seen throughout the park. Most of them were either lone wolves or pairs, probably only...
by Roger Abrantes | May 18, 2015 | Science Article
Wouldn’t it be nice if we all gave expecting nothing in return? What a beautiful world we would have. At one time or another, most of us have embraced such thoughts. But is it possible at all? Is it possible for all of us to become givers—no takers at all? An...
by Roger Abrantes | Jun 14, 2014 | Science Article
Do dogs see colors? Does that affect our dog training in any way? In the early 1980s, we performed some tests at the Ethology Institute to determine whether dogs were colorblind as the popular view says. The conclusion of our experiments was that they could...
by Roger Abrantes | Jun 6, 2014 | Science Article
The canine muzzle nudge is a pacifying behavior. Pacifying behavior (Latin pacificare, from pax = peace and facere, facio= to make) is all behavior with the function of decreasing or suppressing an opponent’s aggressive or dominant behavior. Newborn cubs and...
by Roger Abrantes | May 15, 2014 | Science Article
A yawn is a simple behavior, a reflex, with specific physiological functions. A yawn is a reflex consisting of a simultaneous inhalation of air and stretching of the eardrums, followed by an exhalation of breath. There are instances when yawning is followed by...
by Roger Abrantes | May 10, 2014 | Science Article
Allelomimetic behavior means doing the same as others do. Allelomimetic behavior, which has elements of social facilitation, imitation, and group coordination, is occasionally referred to as contagious. When an animal engages in a behavior, it increases the likelihood...