Facts for Kids

Practically everyone has owned a teddy bear as a child, but not everyone realizes that the animal it is modeled on is not a bear at all. Bears are placental mammals whereas the Koala, which is often called the Australian teddy bear, is another marsupial number of marsupials restricted to the Australian region look mammal grouped with the phalanger family. It is interesting that and acts like placental mammals found on other continents. The gliding phalanger is very much like the flying squirrel for example. Why is this? About fifty million years ago Australia became cut off from the other continents as the mammals evolved. This allowed the marsupials to adapt themselves to live in every kind of habitat, free from competition from the more advanced placental mammals. In every o...

নিউজিল্যান্ডের উত্তর উপকূলের মাহিয়া বিচ। পথ হারিয়ে আহত দুটো শিশু তিমি ক্রমেই অস্থির হয়ে ওঠে। আশপাশে স্বজাতির কেউ নেই। উদ্ধারের আশা ক্ষীণ। খানিক পর তাদের আলোড়ন দেখে এগিয়ে আসে একটি ডলফিন। বুদ্ধিমত্তায় যে কিনা অন্যদের চেয়ে অনেক এগিয়ে। তিমিদের বিপদ বুঝতে পেরে সাঙ্কেতিক ভাষায় একটা কিছু বলে ঐ ডলফিন। আর তা শুনেই প্রাণ ফিরে পায় বাচ্চা তিমি দুটো। ঘুরে গিয়ে ডলফিনটা সাঁতরে এগিয়ে যায়। তার পিছু নিয়ে নিরাপদ স্থানে স্বজাতির মাঝে ফিরে আসে আহত তিমি দুটো। কিন্তু কোন সঙ্কেত দিয়েছিল ঐ ডলফিন? তিমি দুটো তার ভাষা বুঝলো কী করে? নাকি ডলফিনই জানে তিমিদের ভাষা? ভিন্ন প্রজাতির সঙ্গে যোগাযোগের অদ্ভুত এ ক্ষমতা কয়েকটি প্রাণীর মাঝে দেখতে পেয়েছেন গবেষকরা। তবে মানুষ বুঝতে না পারলেও মানুষের ভাষা বুঝতে পারে এমন প্রাণী আছে। প্রশিক্ষণপ্রাপ্ত কুকুর তো আছেই, শিম্পাঞ্জীও মাঝে মাঝে চোয়াল নেড়ে মানুষের কথার জবাব দিতে পারে। যুক...

Facts for Kids: DO ALL CAMELS HAVE HUMPS? Apart from the species of camel already mentioned, there are four other members of the camel family which do not possess humps. These are the Llame, Guanaco, Alpaca, and Vicuna, all from South America. From the of time the Inca civilization these animals have been domesticated by man, and to this day they are invaluable to Indians living at high altitudes. They are used mainly as beasts of burden and will happily bear loads of up to 100 pounds in weight if properly handled. A Llama that is annoyed will spit in the face of the offender with great accuracy.   Facts for Kids: WHICH DOG CAN NOT BARK? The Dingo is one of the very few dogs in the world that is unable to bark. It is not a silent dog, however, as it makes up for not barki...

Facts for Kids: Chapter 1 WHY DON'T ANIMALS WEAR CLOTHES? The physical make-up of an animal's body is adapted to the environment in which it lives. Whales, for instance, have a thick layer of fat, and polar bears have very thick coats, and these enable both of them to withstand very low temperatures in their natural environment. Certain cold-blooded animals can adapt perfectly to changes in temperature. WHY AREN'T ALL BIRDS' BEAKS THE SAME SHAPE? Man has now spread throughout the world, and although his own body cannot adapt in the same way as an animal's, he has overcome the difficulty by using various technical means – and wearing an overcoat is one of them! The shape of a bird's beak – or bill, as it should really be called - depends on what kind of food the bird usually eats...