	
Definitions per each variable contained in the data




Database_Provisioning_Repos	
		
Year	            2018 or 2019	
NestboxID	      NestboxID	
Species	      GT= great tit, BT = blue tit	
BroodID	      unique brood id	
Site	            Study site abbreviation, 7 study sites.	UNI= office area, POL=urban park, LOL= urban woodland, PAL= suburban village, OLO and MUR, Res.areas I and II, BIB= urban forest, 
Date	             Date of recording as dd/mm/yyyy	
Jul_date	      Julian date of recording (1st of April as 1, each year)	
HatchlingsAge	age as day 9 or day 10 (day1= hatching date)	
CameraSetup	time of camera set up: hh:mm:ss	
FirstApproach	time of first approach by individual, as hh:mm:ss	
FirstToApproach	first one in the pair to access the nestbox=1, second one in the pair to access the nestbox=0	
FirstApp_touching	first approach touching the entrance= yes, flying without touching the entrance=no	
FirstEntrance	time of first entrance as hh:mm:ss	
FirstToAccess	First to access of the pair, 1=yes, 0=no	
After_time	time needed for the second bird to access after the first one, in hh:mm:ss	
After_time_min	time needed for the second bird to access after the first one, in minutes	
Provisioning	provisioning latency given as hh:mm:ss	
Provisioning_min	latency time to access the nestbox in minutes	
Provisioning_s	latency time to access the nestbox in seconds	
FlewAway	Nr of times a bird left the nest before accessing	
PreyItem	does the bird enter the nestbox with a prey item? Y= yes, N=no	
Sex	      F= female, M= male	
Age	      2= 1st year breeders, PO2=second or older year breeders	
Ring	      Ring number	
CS	Clutch size	
NrNestlings	Total number of nestlings hatched	
NrFledglings	Total number of fledglings per breeding event	
Fledg_ratio	Total number of fledglings weighed by clutch size	
ISA	% of Impervious surface area in a 100m radius around each nestbox	
HumanP	Human presence as nr of humans and dogs detected in a 15m radius	
Road	Distance to the closest road (in meters)	
Temp	averaged daily temperature (in C)	refers to the date of recording
Rain	averaged daily rainfall (mm)	refers to the date of recording
		
repeatability	

Provisioning_min	provisioning latency in minutes	
ID	Ring number of great tits that were caught in 2018 and 2019	
