H
Species observed during breeding season in possible nesting habitat
S
Singing, drumming or displaying male present in breeding season in possible nesting habitat
P
Pair observed in suitable nesting habitat in breeding season
T
Territorial behaviour (song, fights with neighbour etc.) on at least two different days a week or more apart at same place indicating a permanently occupied territory
D
Courtship and display (male and female) observed
N
Adult visiting a probable nest-site
A
Agitated behaviour or anxiety calls from adults, indicating a nest or young nearby
I
Brood patch on adult examined in the hand
B
Nest-building or excavating of nest-hole observed
DD
Distraction-display or injury-feigning observed
UN
Used nest found (occupied within period of survey)
FL
Recently fledged young (nidicolous species) or downy young (nidifugous species) observed
ON
Adults entering or leaving nest-site in circumstances indicating occupied nest (including high nests or nestholes, the contents of which cannot be seen) or adult seen incubating
FY
Adult carrying food for young or feces away from nest
NY
Nest with young seen or heard.
Breeding categories for internal use (can't be used for recording sightings)
99
Species not recorded (anymore) despite severals visits to the site
Observations
Statistics
or 