Kormoranid ja teised linnud

Kormoranid ja teised linnud

EN

Cormorants and other birds

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Uuring näitas: kui kormoranid tulevad, teisi linde vähem.
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Cormorants are large birds.
They eat fish.
They require a lot of space.
Other birds have less space.
Some birds cannot find nesting sites.
A study showed: when cormorants arrive, other birds decrease.
When cormorants leave, other birds return.
This takes time.
Cormorants change nature.
Scientists want to know more.