From Barcelona to Bangkok, Dublin to Delhi, Stockholm to Sydney and beyond, the pigeon is a common sight in many towns and cities around the world. Experts reckon that the worldwide feral pigeon population could be as many as 400 million. These canny birds have managed to proliferate on all continents of the world, except…
Pidgeon or Dove? The first thing to know about doves and pigeons is scientifically speaking, they are the same living species. For example, the rock dove (Columba livia) is equally known as the rock pigeon. The word “dove” originates from the Nordic languages, whereas “pigeon” is a word borrowed from French. All doves and pigeons…
Monotremes? I guess not many of us are too familiar with the egg-laying mammals of the world. There are only five, which are the renowned duck-billed platypus and the four extant species of echidna. Also known as spiny anteaters, echidnas are solitary medium-sized mammals covered with coarse hair and spines. They could easily be mistaken…
What is a Currency? Do you know that the word “currency” is derived from the Latin word “currere”, meaning ‘to run’ or ‘to flow’? A currency (i.e. money) serves as a medium of exchange for goods and services within a country’s borders. Currencies are issued by all central banks of the world in the form…
What is GDP per Capita? Gross Domestic Product (GDP) can be described as the total monetary value of all goods produced and services provided within a particular country during a specific period. However, the period for which GDP is most commonly expressed is overwhelmingly as an annual amount. While GDP is a strong indicator of…
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