The Company of Biologists

Table 1.

Chronological summary of the characteristics of the aviary experiment with red knots

			Activities expending energy
Experiment	Code	Day number	Foraging (probing and walking)	Digestive processing	Crushing shells and processing shell material
1	IF-C₁	6	+	+	+
2	R-C	22	0	+	+
3	IF-C_d	26	+	+	(0)
4	IF-C₂	28	+	+	+
5	R-F	30	0	0	0
6	R-P	33	0	+	0
7	R-C_m	35	0	+	0
8	IF-F	44	+	0	0

			Activities expending energy
Experiment	Code	Day number	Foraging (probing and walking)	Digestive processing	Crushing shells and processing shell material
1	IF-C₁	6	+	+	+
2	R-C	22	0	+	+
3	IF-C_d	26	+	+	(0)
4	IF-C₂	28	+	+	+
5	R-F	30	0	0	0
6	R-P	33	0	+	0
7	R-C_m	35	0	+	0
8	IF-F	44	+	0	0

The code includes information on the experimental arena (IF, intertidal flat; R, roost), the presence and type of food (C, cockles; P, food pellets;F, fasting/no food) and the quality of the cockles on offer (subscript 1, poor quality; 2, medium quality; d, dying; m, meat).

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