Twenty-five monk parakeets currently live in the research colony and nest-building is at its peak.

The parakeets are provided with large nesting boxes and suitable twigs, and have started work. The nests are built partially in the nest boxes and partially on top of them and among them, as can be seen in the photos. The nests typical to this species are made of twigs and branches that the parakeets cut to the right size and then weave into a big nest. Usually, one very large nest is home to several pairs of parakeets. Each pair has its own entrance corridor that leads to an internal chamber in which the pair sleeps and breeds. Since the nest is also used for sleeping outside the breeding season, nest maintenance is carried out all year long. The parakeets spend much of their time at the corridor entrances, where they can easily be observed.

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