Likewise, there are valuable species of birds such as pheasants, pheinardia ocellata. The high mountains in the north have many furred wild animals like selenartos, small bears, big black squirrels, foxes, otters, civet cats . Though the Vietnamese fauna is rich, varied and comprises rare species of high value, not all of them are available in large quantities . Vietnam has great potentialities for mineral ores, underground resources, and riches under the sea-bed. It ranks among the countries having average reserves of oil and gas which are gradually being exploited.
Small mines arre scattered all over the country.
The natural conditions of Vietnam also present an unfavorable aspect. A particular feature of the monsoon climate is its uncertainty. Cold comes early in some years, late in others. Some years are marked by heavy rains and big floods, and others by prolonged periods of drought . The humid maritime climate facilitates the generation of fungi and insects while accelerating the corrosion of machinery and equipment.