Birds within 5 meters (orso) of each other, or in sun-trr 17 April Road 1 0840 φ2,φ3 ? 0845 ? 0850 0855 φ2,σ4} φ3 σ2} 0900 ? 0905 0910 φ2,σ2,σ4} φ3 0915 φ2,σ4} 0920 φ3,σ2} 0925 ? 0930 φ2,σ74 0935 φ2φ3,σ2 0940 all 4 0945 all but φ3 0950 0955 φ2,σ4 1000 all but σ2 1005 φ2,σ74 1010 " 1015 ? 1020 ? 1025 φ2,σ74 he visiting her in nest. ? 1036 ? -- φ3+ σ4 in nest together (?) 1035 1040 φ3,σ2 " 1045 1056 σ4,φ2} σ2 φ3 } 1055 di+40 ? 1100