Table 1.

Overview of collected faecal samples, separated by age of sampled birds (Adult, Juvenile = bird already left the nest (fledgling) and is not older than one year and Nestling = bird still in nest, but at least one week old). Breeding season is defined as the time period from the 1^st of April to the 31^st of August

Species	Total number [in breeding season]	Peak in plant PCR [in breeding season]	Peak in metazoa PCR [in breeding season]
Woodpigeon
Total	49 [29]	32* [24*]	46 [28]
Adult	30 [17]	18 [14]	27 [16]
Juvenile	15 [10]	10 [8]	15 [10]
Nestling	4 [2]	4 [2]	4 [2]
Turtle Dove
Total	19 [19]	18 [18]	19 [19]
Adult	18 [18]	17 [17]	18 [18]
Juvenile	1 [1]	1 [1]	1 [1]
Stock Dove
Total	71 [70]	54 [54]	70 [70]
Adult	28 [28]	20 [20]	28 [28]
Juvenile	1 [1]	1 [1]	1 [1]
Nestling	42 [41]	33 [33]	41 [41]

*One sample (RT19_K05) had a peak, but contained no valid MOTU, resulting in 31 [23] faecal samples containing at least one valid plant MOTU