scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 3,237
Vigilance behavior in animals has been attributed to various scientific explanations One of the most widely accepted functions of vigilance is to increase the ability to detect predators This skill is better known as anti-predator vigilance Anti-predator vigilance is described simply as a state of being alert to predators This is an imperative ability for almost any animals survival Animals as well as humans need to constantly be aware of the dangers surrounding them In order to stay safe from predators or other threats animals often find safety in groups and exhibit vigilance within these groups This may include a herd of buffalo periodically raising their heads in search of wolves or a woman walking down the street checking both ways for cars In an attempt to describe the functions of vigilance we have chosen to study two seemingly important facets Group size and position One vital aspect of vigilance is group size Bertram 1980 demonstrated this relationship in a study of vigilance and group size in ostriches Struthio camelus The purpose of the study was to investigate and predict the reasoning behind vigilance Bertram operationally defines vigilance in ostriches as each time an individual raised or lowered its head The independent variable of his study was group size and included three different levels These levels were one two and three or more birds The dependent variable was vigilance rate This was not a true experiment due to lack of manipulation rather Bertram conducted a systematic observational study Bertram counted the number of times each individual raised or lowered its head as well as the length of time the bird kept its head raised Bertram discovered that less vigilance occurred amongst ostriches within the larger groups It can be concluded from the data that an increase in group size gives individuals an increased sense of security and therefore a decrease in vigilant behavior Another finding was that males had higher vigilance than females The findings
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA