ipl-logo

Short Scarch Algorithms

1827 Words8 Pages

CHAPTER-3 CROW SEARCH ALGORITHM Introduction Mankind has a long and checkered past with crows and ravens: They have been feared as symbols of death, because they 're all black and scary, revered as creators of the world because, well, it was either them or the seagulls, and worshiped as trickster gods, because of their baffling intelligence. Many scientists think that corvids - the family of birds that includes crows, ravens, rooks and jays - may be among the most intelligent animals on earth, based on their ability to solve problems, make tools and apparently consider both possible future events and other individuals ' states of mind. Lot of research that has been done with crows because they are such intelligent species and few measures …show more content…

And hell, that 's probably fair. Even crows admit that. And that 's why, when crows have food they want to stash, they always keep an eye out for other crows. If another is watching, the crow will pretendto hide the food in their cache, when in reality, they 're stashing it in their chest feathers. Crows have learned sleight of hand! Then they fly off and bury it in another cache, far away from prying eyes. Figure 3.1 shows that the two crows are quietly looking for their food and planning how to reach their destination and have …show more content…

The source which is best among all the food sources is taken as global solution and objective function is defined by the quality of food source. Simulating this intelligent behaviour of crows, crow search algorithm tries to find the optimal solution of various optimization problems. Crows are one of the most intelligent species among all. Their body to brain ratio is almost or bit less than that of humans. A crow 's brain is the size of a human thumb, huge relative to its body, putting their intelligence on par with primates and allowing them to solve complex problems. They use their intelligence and cleverness in protecting their food and stealing others food [23]. They use various techniques and skill like their different way of communication, their strong senses, face recognition and are every much skilled in preparing tools according to the requirements and

Show More
Related
1593 Words | 7 Pages

and that is a crime. So in order to prevent herself from getting caught she, without knowing it, gave mixed signals at the crime scene. “‘It is the owl feathers that are the sign of death, the messengers from the other world. The eagle feather is a sign of life, attached to all the activities of the living’” (Johnson

Read More
1029 Words | 5 Pages

Across the creek, on the creek flat, is a large white pine tree mixed among other deciduous trees. It is quite a ways away. About two thirds up the pine tree will be the large nest. The nest has been in this location for years. Each year the adult eagles add new materials to the nest in order to ready it for raising a new family.

Read More
1068 Words | 5 Pages

Joshua Rabideau 11/10/2016 BIOL 380 – Lab: Monday Black-Capped Chickadee Foraging Habits There are numerous organisms and interactions occurring within any ecosystem. Many times, the interactions between organisms and habitats are based on the energy needs of the organisms. In this experiment, a null hypothesis that the Black-capped Chickadee forages on various trees at random. Upon data analysis of the gathered information, it can be determined that the Black-capped chickadee were not choosing foraging sites at random. The results of a chi square test gave a value of 19,890 which is significantly larger than the 16.812 value needed to void the null hypothesis with six degrees of freedom; the probability that this variation was due to chance is less than .01.

Read More
312 Words | 2 Pages

They can use their horns to ram their head into their food, stabbing it and then using their big feet paws, ripping it from their horns and then continuing to rip their prey to bits with their long feline-like teeth.

Read More
1551 Words | 7 Pages

In order to provide for the year-round demand, Johnnie hired trusted friends to hunt pheasants, a majority of the time out-of-season. After a successful hunt, they hid the birds at predetermined locations inside of haystacks, the seemingly definitive South Dakota concealment. Subsequently, Johnnie made regular rounds to the haystacks to collect the pheasants, after which he drove the over one thousand mile round trip to buyers in Illinois. Sheriff Edward Maxwell couldn’t ignore the birds hidden in haystacks, as he did when wayward smoke drifted skyward disclosing the presence of a still. If a farmer occasionally shot a pheasant off his own property to feed his family, Maxwell could forgive the transgression.

Read More
723 Words | 3 Pages

The effects of where these larvae are laid can dictate the fate of these gall fly larvae. A study shows that avian predators can assess a gall 's content prior to pecking it open, preferring galls that are inhabited by gall fly larvae. Bird predation was found to be concentrated near the places with a lot of tree cover where S. gigantean a large centipede tends to pray few attacks occurred in the open where golden rods are prevalent. The study was a field experiment to observe the preference of avian predators on galls in different habitat types and that had different sizes, and heights of galls. It is possible that birds have either learned through experience or evolved through natural selection to choose the more profitable galls (Poff et al. 2002).

Read More
376 Words | 2 Pages

The only animals they eat are spiders,and worms. They hardly ever eat those animals they eat mostly leaves on their diet.

Read More
610 Words | 3 Pages

There are many differences that can be highlighted between a hawk and a dog. However, in “Hawk Roosting” and “Golden Retrievals” the use of specific elements helps the reader to understand the characters themselves and how they view the world around them. Respectively, Hughes and Doty each use specific sentence structure, tone, and strong diction to characterize the speakers and present differing views of the world. The use of specific sentence structure throughout the poems further underlines the differences in the two characters and the attitude towards the world. Hughes’s use of sentences which exemplify complete thoughts illustrates to the reader that the hawk will take its time when completing a task and gives its full and absolute attention.

Read More
439 Words | 2 Pages

Tradeoffs are a frequent occurrence in Nature. They describe the compromise between two optimal but frequently incompatible traits for an organism. Andrea Pomeroy and her team applied this concept of tradeoffs to the western sandpipers, Calidris mauri, of British Columbia Canada, with the trade off of their ability to forage for food against the costs of potential predation. The main idea examined by Pomeroy was to study the spatial usage (The measure of how intensely a site is used for foraging by the sandpipers) at Boundary Bay, to determine how the birds chose their stop over sites during migration based on the tradeoffs between food abundance and predation risks.

Read More
381 Words | 2 Pages

In the introduction stanza Poe describes himself settled for the night, feeble and uncertain, pondering over an abundance of aimless thoughts. When all of the sudden, Poe is startled by a bleak noise at his chamber door. Assuming that it is of no importance he draws the conclusion it is a visitor, and nothing more. His thoughts portray a grim imagery of his home.

Read More
692 Words | 3 Pages

They would not hurt someone without a reason. They loved to be petted and loved on. They also know when to be aggressive. They know when they need to stand up and protect their loved ones. But just like they love to keep their owners safe, they are also very loyal to their owner.

Read More
1089 Words | 5 Pages

They also ate oysters and clams. Occasionally they would eat meat such as deer and bear, but the fish was the main source of food in their diet. The men were in charge of hunting and catching the fish. They used nets, spears and traps to catch their food. The women gathered oysters, clams and berries.

Read More
741 Words | 3 Pages

That something was the motive, and the motive was Mrs. Wright’s bird. The men would not know this because they dismissed the kitchen and living area from having any significance to the case. They also mockingly asked the women what they had found without really caring about the answer. The women sensed this and therefore withheld information that would be vital in proving Mrs. Wright’s guilt in the murder of her husband. Had the men truly cared about what the women had found, perhaps the women would have shed light on their findings.

Read More
818 Words | 4 Pages

They always try to roost in the same place every evening where they are safe. You always see them during deer season and duck season but when turkey season comes in you do not really see them at all. They know they are getting pressured. They are educated from other hunters shooting at

Read More
826 Words | 4 Pages

(Twain, 13)” This is an example of greed, instead of using ones’ earnings that is useless to them and giving it to someone that could benefit more from it, one often keeps it. This proves mankind 's trait of greed is consistent, but who is to say that it is not also common in higher animals? Well Mark Twain put this to the test with his experiments, “ I furnished a hundred different kinds of wild and tame animals the opportunity to accumulate vast stores of food, but none of them would do it. The squirrels and bees and certain birds made accumulations, but stopped when they had gathered a winter supply, and could not be persuaded to add to it either honestly or by chicane (Twain,

Read More

More about Short Scarch Algorithms

Related Topics

Open Document