Table 1.

Number of observed raptors of each species/observation time (h)

Species	Max observations/h	Mean observations/h	SE
Black kite (Milvus migrans)	68	22.20	3.33
Red kite (Milvus milvus)	27	5.16	1.06
Booted eagle (Hieraaetus pennatus)	14	4.13	0.54
Common buzzard (Buteo buteo)	7	0.95	0.24
Short-toed eagle (Circaetus gallicus)	2	0.60	0.11
Common kestrel (Falco tinnunculus)	2	0.16	0.07
Western marsh-harrier (Circus aeruginosus)	1	0.06	0.03
Imperial eagle (Aquila adalberti)	1	0.06	0.04
Peregrine falcon (Falco peregrines)	1	0.03	0.02
Lesser kestrel (Falco naumanni)	1	0.01	0.01