How roosters define time when to sing in the mornings

How roosters define time when to sing in the mornings

Daily at the same time on farms and in villages the cock shout sounds. To learn what awakes these unruly birds in so early hour, researchers try still. And each new zoologist answers this question in own way, and everyone finds new proofs to the arguments.

As water measures keep on water

As water measures keep on water

It is possible to call a surface of a pond, the river, a pool and any other reservoir a unique ecological niche safely. The fact is that two absolutely different environments for dwelling of living organisms – water and air are concentrated on a surface of these reservoirs.

How to distinguish a viper

How to distinguish a viper

Not only people and animals, but also reptiles which quite often creep out on roads and glades enjoy the summer sun. Spetsialisty-serpentologi consider that snakes never the first will attack the person. Also they do it only for self-defense.

As the viper looks and what to do at her sting

As the viper looks and what to do at her sting

Viper ordinary — one of the most known venomous snakes of our country. It is widespread widely on all forest zone. Meets after hibernation, at the end of April and the beginning of May, in the various places which are well warmed up by the sun: on stubs, the fallen trees, on hummocks, slopes along roads. The warming up period at them from about 1 to 4 weeks, and at this time snakes are sluggish and more often catch sight to people around

How to catch already

How to catch already

Is a snake of family uzheobrazny. Its main feature are yellow ""ears"" on the head. The sting is not dangerous to the person any more (and they bite seldom, preferring to escape from danger). If you want to catch already, consider that it allocates very pungent unpleasant smell which, however, is very unstable.