Among the foxes, different types of foxes have different body shapes. Among them, the largest fox can exceed 15 kilograms, and in the deserts of northern Africa and West Asia there is a kind of 小狐属动物——ears The profile fox, which weighs no more than 1.5 kilograms, lives in the harsher deserts, but looks very cute and is rated as one of the cutest species in the world.
1. Fennec fox population
Fennec fox is one of the smallest canines in the world, the size of a kitten, has an average weight of only About 1 kg , the female fox 0.8 kg, the male fox weighs 1.5 kg, the body length of the fennec fox is 30-40 cm, the tail length is 18-30 cm, but the ears are about 10-15 cm, and the ears occupy the extreme part of the head. Large proportions, big ears become their most recognizable feature.
In the desert food chain, because there are fewer biological species, the fennec fox eats almost everything, including lizards, birds, small rodents and other animals, and also eats plants. depends on With additional plants to replenish water , survive tenaciously in the desert with water shortage.
2. Big ears are gradually formed in long-term natural selection
In nature, everything is the survival of the fittest. According to the living environment, unique skills have evolved. The big ears of the silhouette fox gradually formed in the long-term natural selection.
Because the fennec fox lives in the hot desert, these big ears have a cooling effect , the two big open ears are like radiators that keep radiating heat. The ears dissipate heat, which can help the fennec fox cool down and adapt to the living environment of the desert.
The big ears of the fennec fox have very good hearing, which is conducive to discovering subtle sounds. helps the fennec fox to detect the subtle movements around , and then react quickly. If it is a natural enemy, run away quickly, if it is a prey, quickly approach the prey.
Third, the crisis of the fennec fox
Because the fennec fox looks very cute, such a cute little animal, it has become a favorite species in 宠物贸易, which is crazy by humans The price of catching varies from several thousand to tens of thousands, and the wild fennec fox is forcibly turned into a pet, and the fennec fox population is in a crisis of survival.
At the same time in the place of origin, some people covet the fur of the fennec fox. After catching the fennec fox, the fur is made into clothing or the meat is sold to local people for consumption, The population of fennec fox decreased significantly by .
The huge ears of the fennec fox are easy to recognize at a glance. The ratio of ears to the body is second to none among carnivores. The fennec fox also has a special position and is one of the smallest canines in the world. It is also the smallest animal of the genus fox. It ranked first on the list of the cutest species in the world selected by CNN in 2013. Such cute animals live in harsh desert environments but are still hunted. should give them an undisturbed The wild survival environment .
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