Nov. 14. Egg laid. Hen sitting.
Nov. 27. A cock seen to join the hen for the first time since the 14th. He took her place on the nest. This was the first day on which any red guano was seen about the nest.
Dec. 10. The hen returned between 8 P.M. and 10 P.M., having been absent since November 27. Fresh red guano: the first for many days.
Dec. 14. The cock relieved the hen between 8 A.M. and 10 A.M.
Dec. 15. The hen relieved the cock between 8 A.M. and 10 A.M. Between 6 P.M. and 8 P.M. the chick was hatched, the hen remaining on the nest.
Dec. 17. At 8 A.M. the cock was found to have relieved the hen.
Dec. 18. Hen mounted guard between 6 P.M. and 8 P.M.
Dec. 20. Cock relieved guard about 8 A.M. At 8 P.M. both cock and hen were at the nest, the hen standing by it, the cock on it.
Dec. 21. The hen relieved guard at 8 P.M.
Dec. 23. Cock came back at noon and relieved guard.