We all, at some point in our lives, must Autism awareness Stitch hug Jack Skellington shirt have seen one or more species of cuckoo birds. They are very common. But what many of us fail to observe is what actually makes them interesting. It is known as brood parasitism. Brood parasitism is a type of behaviour in which, a species raises the young one of another species unknowingly. Female cuckoos, sneak into their hosts’ nests when they are not around and quickly lay the eggs. Different cuckoo species can be host specific or they may have a variety of hosts. A common cuckoo usually lays it’s eggs in the nest of a Eurasian Reed Warbler. As their eggs look similar, the Reed Warbler female raises the Cuckoo egg along with her own eggs.
The Saiga Antelope is an antelope species Autism awareness Stitch hug Jack Skellington shirt found in fragmented populations in Russia and Kazakhstan. In 2015, a bacterial outbreak occured in the Kazakhstan population which lead to blood poisoning and internal bleeding, killing more than 200,000 Saiga antelopes. This antelope is classified as Critically Endangered by the IUCN. The feature that makes this animal interesting is the presence of a broad, bulbous nose. This broad bulbous nose is of a great us e to this animals. This nose predominantly acts as a thermoregulating organ. In summers, it prevents the entry of dust kicked up by other members of the herd. It also helps in lowering the blood temperature. In winters, the nose helps in warming the inhaled air.