Majestätische Gipfel und Gletscher, subtropische Vegetation, tiefe Schluchten und flechtenbehangene Bergurwälder prägen Europas höchstes Gebirge ebenso wie baumlose Bergsteppen oder wüstenhafte Täler. Der Große Kaukasus formt eine zerklüftete Landbrücke zwischen zwei ozeanischen Binnenseen – dem Schwarzen und dem Kaspischem Meer. Wie ein Rückgrat spannt sich der Hauptkamm des über 1000 km langen Gebirges zwischen die beiden Gewässer. (Text: Servus TV)
Alien invaders are infiltrating our cities. Colourful, noisy and clever, they are multiplying rapidly. The rise of the city parrot seems unstoppable. But why are they doing so well in cities, while their rural cousins are struggling to survive?
Yucatán, Mexico: a small beak tentatively takes some food from its human surrogate mother. Even at this stage, the features are recognisable – this is a baby Scarlet Macaw. A team of parrot experts are trying to rebuild the wild populations of one of the most colourful parrots in the world. Every newly hatched parrot baby is nurtured until it is fit for release. Not only the Scarlet Macaw is struggling to survive in the wild, but many other species of wild parrots are declining in numbers as well.
Several thousand kilometers away, in the city of Stuttgart, Germany: a flock of adult Yellow-headed Amazons are swooping into trees. Snow is falling, and the parrots look out of place against the grey buildings and drab skies. But these parrots live in the wild – and are growing in numbers.
The same trend can be observed across the world. In Sydney, Sulphur-crested Cockatoos are a common sight. In Argentina, Burrowing Parrots have established colonies in local towns, and in Phoenix, Arizona, the saguaro cactus provides an ideal home for the charming lovebirds from Africa.
The lives of these different species of parrots tell a fascinating story: in their native habitats, the numbers of parrots are declining. At the same time, over the past few decades, they have slowly been taking over our cities – in places where we would least expect to see them. Feral escapees have flocked together to form thriving populations that are now competing for space with native birds.
A staggering 70,000 parrots already live wild in cities around the world – some of which are considered highly endangered in their native homeland. But why have parrots done so well in human environments? Is it down to their intelligence? Are they ou
