 Beachcleaner spin-off in NCB Naturalis, Leiden
by Foto.Wildschut
|  Otter
by Foto.Wildschut
| ![Black-headed Gull W[E0TV], previously Y[2M]](https://a4.pbase.com/g3/56/840356/3/121127850.sgKrmJJp.jpg) Black-headed Gull W[E0TV], previously Y[2M]
by Rob Hoeben
|  Summerlife in Leiden
by Rob Oele
|  Leiden Bio Science park
by Rob Oele
|
 lakenhal leiden
by Rody Graumans
| ![Black-headed Gull Y[2.M], now W[E0TV]](https://a4.pbase.com/g3/56/840356/3/120749748.t22xULFa.jpg) Black-headed Gull Y[2.M], now W[E0TV]
by Rob Hoeben
| ![Black-headed Gull W[LYD]](https://a4.pbase.com/g9/56/840356/3/162605688.Q1rFnaQK.jpg) Black-headed Gull W[LYD]
by Rob Hoeben
|  Leiden
by Brian McMorrow
|  Gevelstenen in Leiden
by Marien Krijger
|