PetrNigr_0.jpg

Licence: 
Creative Commons Licence
Keywords: 
Petrochelidon nigricans
Preparation technique: 
Photograph
Description: 

Photo of Petrochelidon nigricans [By Christopher Watson (http://www.comebirdwatching.blogspot.com/) , via Wikimedia Commons]

Creator: 
Katerina Tvardikova
Taxonomic name: 
Petrochelidon nigricans (Species)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith