In terms of length, the New Zealand dolphin and the vaquita (a species of porpoise) are probably the smallest at about 1.4 metres. However, in terms of weight the finless porpoise probably wins as the lightest, reaching a maximum weight of 55kg.
Amsterdam is the capital of the Netherlands. With more than one million inhabitants in its urban area, it is the country's largest city and its financial, cultural, and creative centre. Amsterdam derives its name from the cityâs origin as âDamâ of river âAmstelâ.
In 2016, Amsterdam has an estimated population of 813,562 within the city limits. While Amsterdam has a 2016 population of 813,562 in the city limits, the urban area has a population estimated at 1.1 million and a greater metropolitan area with a population close to 1.6 million. The city has a population density of 4,908 people per square kilometer (12,710/sq mi).