This 20 June 2018 video shows sand martins at their nesting colony near Lommel and Mol in Belgium.
The young birds can already fly, and their parents feed them.
Karel Verbruggen made this video.
This 20 June 2018 video shows sand martins at their nesting colony near Lommel and Mol in Belgium.
The young birds can already fly, and their parents feed them.
Karel Verbruggen made this video.
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