APPENDIX 1
Artificial nest sites with egg laying or visitation at Orizaba Rock in 2008-2011a
Artificial Nest Site No.
Year
2008 2009 2010 2011 2008 - 2011 Inside Site
A-851 v 0 0 0 v
A-856 v 0 0 0 v
A-857 v 0 0 V V
A-858 0 0 0 A A
A-859 0 A A 0 A
A-860 0 0 A A A
A-861 v 0 0 0 v
A-863 0 V A A A
A-864 0 0 0 v v
A-866 0 0 0 v v
A-867 0 0 0 v v
A-868 A A A v A
A-869 A A V A A
A-870 0 0 V v V
A-871 0 0 0 v v
A-1067 - - 0 A A
Subtotal 6 4 6 12 16
Outside Site
A-847B - A A A A
A-848B - 0 0 A A
A-853B A A A 0 A
A-863Bb A A 0 0 A
Subtotal 2 3 2 2 4
Total Visited Only 4 1 2 7 9
Total Active 4 6 6 7 11
Total Visited & Active 8 7 8 14 20
a Codes: A = active (egg laid); V = adult observed but no egg laying; v = adult not
observed but evidence of visitation (see text); 0 = no activity; dash (-) = artificial nest not deployed.
b Site “A-1000” in field notes; nearest artificial nest was A-863, ~1 m away.