The sand martin is the smallest European swallow species.
Sand martins nest in self-dug tunnels in sandy-loamy steep banks, often in large colonies.The sand martin is the smallest European swallow species.
Sand martins nest in self-dug tunnels in sandy-loamy steep banks, often in large colonies.Bei der Uferschwalbe handelt es sich um die kleinste europäische Schwalbenart.
Uferschwalben nisten in selbstgegrabenen Röhren in sandig-lehmigen Steilwänden, oft in großen Kolonien.
Double Sand MartinDouble Sand MartinDoppelt Uferschwalbe
The sand martin is the smallest European swallow species.Sand martins nest in self-dug tunnels in sandy-loamy steep banks, often in large colonies.The sand martin is the smallest European swallow species.
Sand martins nest in self-dug tunnels in sandy-loamy steep banks, often in large colonies.Bei der Uferschwalbe handelt es sich um die kleinste europäische Schwalbenart.
Uferschwalben nisten in selbstgegrabenen Röhren in sandig-lehmigen Steilwänden, oft in großen Kolonien.