Table 1.

Summarised recorded variables in the survey

Question category	Answer variables
Type of recording group	School, volunteer group, family or friends
Weather	Sunny, cloudy but no rain, raining
Location
Surrounding area	Urban, garden, park, school, farmland, grassland, wood or forest, other
Land use on both sides of the hedge	Crops, grassland, hard surface (unspecified), garden, woodland, waterway, cannot see (other side)
Structure of hedge	Bushes, bushes and trees, trees
Gaps in hedge	None, a few, more gaps than hedge
Hedge shape	Untrimmed, leggy, laid, neatly trimmed, heavily trimmed
Features in the hedge	Fence, ditch, bank, undisturbed strip, wall
Hedge height	In four categories from <1 m to >3 m
Hedge width	In three categories from <1 m to >2 m
Hedge length	In four categories from <5 m to >50 m
Hedge plant species	Presence/absence of 12 woody species, (see Table 3)
Numbers of berries, nuts or flowers	In four categories from <10 to >1000
Invertebrates	Counts of invertebrates in 24 named groups (see Table 4)
Size of any holes in the ground	In five categories from <2 cm to >30 cm
Other wildlife seen	Free text