Posts Tagged ‘fauna’

How Do Dogs Speak?

Thursday, March 18th, 2010

Dogs are just about the most intelligent of household pets. If you take the time to look, you will see that they have the ability to communicate with humans, other dogs and even other species. They do this with body language and voice. Their signs are made with the their eyes, ears, eyebrows, head, mouth and tail.

Their voice is obviously not the same as ours, but they use pitch in their barks, whines, whimpers, pants, growls and howls and their gestures are made with their whole body and every part of it.

You can always tell a self-assured and therefore higher ranking dog, because they hold their tails aloft. Dogs, like all other animals, including we humans, have an inborn sense or their place in society. This is because dogs evolved in packs in the wild, just as we evolved in communities. which is why they fit well into our human society.

There is a pecking order within their group, as within human society. The subservient dogs submit themselves to the stronger dogs, which is why dogs lower their tail when they feel insecure. When dogs fight for dominance, the fur on their tails stands up and they have this trait in common with other animals. They do it to show that they are being serious in front of their enemy.

A dog that is unsure what to do will wag its tail slowly. A bit like you or I might give a weak smile, unsure whether to smile openly or frown. They are in a process of figuring out whether they should accept the status quo or fight. Excited dogs wag their tails very fast and if the dog’s hip wiggles along with its tail, it means that the dog is in subservient mode to a higher ranker. A pet should do that to its owner, as you have become the leader of its substitute pack.

When dogs become aggressive they show their teeth, the same as humans. If all of the teeth are visible, it indicates that the dog is prepared to bite or attack. We do the same unconsciously. People often bare their teeth and snarl insults, before a fight. However, they also show teeth when they smile but this is an indication of compliance, again as we do - submissiveness here meaning a recognition that a fight is superfluous.

With a dog, the number of teeth on display shows the difference between a smile and a snarl. In a smile, a dog only shows the front teeth, but in a snarl the dog reveals all his teeth and gums and makes an aggressive noise.

Ears are a good indication of the dog’s level of attention. When the ears are erect and forward facing, it means that the dog is concentrating. But if the dog is stress-free, its ears will lie flat. However, some breeds do not have as much control over their ears.

Dogs bark to defend their territory, which comes to mean their boss’ territory, which should signify your property. However, barking is their usual speech so you will have to learn the difference between friendly play barking and aggression in your dog. It is pretty obvious though.

Observation of your pet is the key, because, although all dogs are the same as in all humans are the same, there are small differences. They are not hard to learn, just spend some time with you dog and keep your mind open and it will become very clear to you.

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The Spitting Cobras

Monday, October 26th, 2009

The snake called the spitting cobra is one of the most peculiar species as it not only has a venomous bite but it also sprays venom into the eyes of its prey and aggressors. Contact of this venom with your eyes can be very painful and even temporarily blinding, therefore, if you get cobra venom in your eyes, irrigate them immediately in order to prevent permanent tissue damage.

The King Cobra, Ophiophagus hannah, also distinguishes itself in this large family of snakes (elapids) by the fact that it feeds almost entirely on other snakes with mice and small birds also falling prey to its venom.

The King Cobra is also unique because of its size - it can reach 5.85m (almost 20 feet) in length, which makes it the longest poisonous snake in the world. The latest discovery of a new species of cobra was made in 2003 when it was identified by London Zoo as part of an illegal shipment of exotic pets.

Going by DNA reports, this new species of snake is similar to the red spitting cobra but differs in genes. It apparently originates from an area between Sudan and Egypt and it has been named the ‘Nubian Spitting Cobra’.

Though highly dangerous when it is threatened cobras will not attack if you leave them alone, although the spit is very accurate for about two meters. Compared to the strike of a rattlesnake, the cobra is fairly slow in its attack and furthermore, many bites prove to be blank, that is without venom.

A study conducted on Malaysian cobra snake victims indicates that only 55% of the wounds involved venom release and the same statistics indicate a mortality rate of 10% for people bitten, since the toxins injected into the blood of the prey devastate the nerves (neurotoxin) inducing respiratory failure half an hour after being bitten, giving you 30 minutes to seek an antidote.

Their colouration varies from light green-grey to black, although juveniles are yellow and black banded.This snake is widespread throughout south-eastern Asia.

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Cobras

Thursday, July 2nd, 2009

The spitting cobra is one of the most peculiar species of snake as it not only has a deadly bite but it also sprays venom into the eyes of prey and aggressors alike. Contact with the eyes can be very painful and even blinding, therefore, if you accidentally get cobra snake venom in your eyes, wash them out immediately so as to prevent permanent damage to the tissue.

The King Cobra (Ophiophagus hannah) is also unusual in this large family of snakes (elapidae) bexause it feeds almost exclusively on other snakes with mice and small birds also making up part of its diet.

The King Cobra is also unique because of its size - it can reach 5.85m (almost 20 feet) in length, which makes it the longest poisonous snake in the world. The latest discovery of a new species of cobra was made in 2003 when it was identified by London Zoo as part of an illegal shipment of exotic pets.

Going by DNA reports, this new species of snake is similar to the red spitting cobra but differs in genes. It apparently originates from an area between Sudan and Egypt and it has been named the ‘Nubian Spitting Cobra’.

Although they are highly dangerous when threatened cobras will rarely attack if you keep your distance from them, although the spit can travel very accurately for two meters. Compared to the strike of a rattlesnake, the cobra is rather slow in its attack and besides that, many bites prove to be non-venomous.

Statistics of a study conducted on Malaysian cobra snake victims indicate that only 55% of the bites involved poison release and the same statistics indicate a mortality rate of only 10% for people bitten, since the poisons injected into the blood of the prey destroy the nerves (neurotoxins), which induces respiratory failure approximately half an hour after being bitten, so you have 30 minutes to seek help.

The colouration is variable from light green-grey to black, while juveniles are yellow and black banded. This snake can find a habitat all over south-eastern Asia.

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The Copperhead

Monday, May 25th, 2009

Copperhead snakes are the snakes that cause the nastiest and most frequent snake-bite problems in the United States. The copperhead can be distinguished by its stout shape and its neck, which is distinct from the body as well as by its pale cross-band tan pattern that gets darker in the middle and on the sides.

Copperhead snakes have pale bellies, which makes it look very similar to its background, but their colourisation also be whitish sometimes. There are obvious spots or pits on the head of the copperhead snake that appear like tiny dark specks. There is also a rather vague stripe on its head behind its eyes; less prominent on the top, the stripe gets a lot darker towards the sides of the snake’s head.

Copperhead snakes live in all sorts of habitats: you can find them under rocks, in woods and on river banks or in areas around ponds. A specimen will choose its habitat depending on the predominant prey, as copperhead snakes feed on birds, frogs, mice, cicadas, caterpillars and almost any other small animal they manage to hunt.

The most usual hidey-holes for copperhead snakes, wood piles, stone slabs, walls, debris and abandoned or ruined buildings are the most common, which explains why people come across copperheads so often in such areas. The active months of the year for copperhead snakes are in the spring and summer for as long as the weather stays warm. After that they go into hibernation.

Copperhead snakes return to the same dens to hibernate year after year, and more often than not, there are large nests counting many individuals during hibernation. On very hot summer days, copperhead snakes will remain in cooler areas during the day and use the cover of the night to hunt. On balmy summer days, the copperhead will lie in the sun on rocks or wooden debris. Copperhead snakes do not hatch eggs, but give birth to their young live. The number of young ranges from one to fourteen and they are usually born from the summer untill October.

The bites of copperhead snakes must have immediate medical care since they are not only very painful but they may also lead to permanent scarring and tissue loss. Avoid copperhead snakes when you come across them, since many people get bitten when trying to kill or handle them.

Snakes will not harm you unless they feel threatened, then, you will become the victim of a fierce attack by a creature that is just as afraid of us as we are of them. Statistics reveal that copperhead snakes have the highest incidence in bite frequency in the United States, because these snakes attack quite out of the blue without giving threatening warnings like other species.

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