Table 1. The numbers (and percentages of species totals) in a marked population of Paridae spp. wintering in Wytham woods in 2011–2012 (Wytham).

Statistics are shown for individuals that visited devices at least once (Visited), and for those that had pecked at least one key (Pecked).

Species	Wytham	Visited	Pecked
Blue tit	1534 (54.2%)	43 (29.9%)	8 (10.0%)
Coal tit	103 (3.6%)	3 (2.1%)	1 (1.3%)
Great tit	1061 (37.5%)	88 (61.1%)	67 (83.8%)
Marsh tit	134 (4.7%)	10 (6.9%)	4 (5.0%)
Totals	2832 (100%)	144 (100%)	80 (100%)