Ernest Leahy - UK
Zootherabirding- UK
Ignacio Yufera - ES
Emberiza Fund - ES
Gordon Lansbury - UK
Fat Birder - UK
Keith & Heather Warmington - UK
Markus Varesvuo - FI
Birdtours - UK
Richmond RSPB - Group - UK
New Horizons - UK
Northern Ireland Ornith Club - UK
Extremadurabirds - ES
Wildlife Travel Trust - UK
Miguel Lasa - ES
Somerset Birder - UK
Swallow Birding - UK
Dick Forsman - FIN
Bulgarian S.P.B. - BG
Klintaoutdoor - SE
Heatherlea - UK
Cumbria - RSPB Group - UK
Otus-Asio Tours - USA
LPO Bretagne - F
Iberian Nature - ES
Natura Aragón - NL
Lanius Bird Tours - UK
Dave Watts - NZ
Mike Lane - UK
ATLAS OF ARAGÓN'S BIRDS - ES
COCN
SUNRISE BIRDING
Lonely Birder - ES