Monday, September 28, 2009
The mantis religiosa or European Mantis also called mantis, tatadiós, dragonfly, Mamboretá, blowgun, use, or dragonflies comepiojos is a medium-sized insect.
Have a large compound eyes on the head which can rotate up to 180 degrees and three simple eyes between the compound eyes. Its front legs, which keeps collected before the head in prayer, are provided with strong spines to hold the prey it feeds on. It is voracious and very common in warm places.
In the mating season the female mantis emitting pheromones to attract the male and at this time that happens the only moment in which males and females together. Females become very aggressive and the male mantis can lose your head for love. Indeed, the female may devour either before, during or after mating. The first bite is the head and, often, the male can continue copulating beheaded.
Wednesday, September 2, 2009
The Short-eared Dog has short and slender limbs with short and rounded ears. The Short-eared Dog has a distinctive fox-like muzzle and bushy tail. It ranges from dark to reddish-grey, but can also be nearly navy blue, coffee brown, dark grey or chestnut-grey, and the coat is short, with thick and bristly fur. Its paws are partly webbed, owing to its partly aquatic habitat.
It moves with feline lightness unparalleled among the other canids. It has a somewhat narrow chest, with dark colour variation on thorax merging to brighter, more reddish tones on the abdominal side of the body. This species possesses a large elongated head and long canine teeth, protruding even when its muzzle is closed. Its back often has a dark streak, while a brighter stain is on its tail. Like all canids, it has 42 teeth.
Typical height at the shoulder is 25-30 cm. Its head and body length is about 100 cm, with a tail of about 30-35 cm. It weighs about 9–10 kg.
This wild dog is mainly a carnivore, with fish, insects, and small mammals making up the majority of its diet. An investigation led in Cocha Cashu Biological Station in Peru into the proportions of different kinds of food in this animal's diet produced the following results: fish 28%, insects 17%, small mammals 13%, various fruits 10%, crabs 10%, frogs 4%, reptiles 3%, birds 10%.