A nice cover from Belgium both machine and hand canceled.
Common Nightingale (Luscinia megarhynchos): The stamp was issued in 2004. This species with the melodic voice lives in forests and scrub in Europe and south-west Asia. In the winter it migrates to southern Africa. It is considered to be an Old World Flycatcher.
Boreal or Tengmalm's Owl (Aegolius funereus): The stamp was released in 2007. This species lives in Asia, North America and Europe. It feeds on voles and other mammals, birds, insects and other invertebrates.