At 14 days old, it is about 3 times the size of the adult reed warblers.
The reed warbler does not notice, and carries on looking after the eggs.
They occupy a similar ecological niche to some reed warblers.
It occupies a similar ecological niche to some reed warblers.
It is more widespread than the reed warbler but undergoing a slight decline.
This species can only be safely distinguished from the Reed Warbler in the hand.
There he examined a specimen of a large-billed reed warbler.
Opposite A pair of reed warblers work flat out to keep the young cuckoo satisfied.
Very early one morning a great reed warbler, which would usually hunt for insects, swooped down to scoop up a fish.
The mother cuckoo lays each egg in the nest of another species such as the reed warbler.
Wörterbuch für ornithologische Begriffe