April 10th.—Pair Marbled Ducks, one Nyroca Pochard, and an Egret shot. Observed White-faced Ducks.
April 16th.—Glossy Ibis—Zopiton.
April 20th.—The following have arrived within the last week or ten days. Great Sedge Warbler, Orphœan and Garden Warblers, Whitethroat, Ortolan, and Golden Orioles—the latter seen first to-day.
April 23rd.—Pair Hobbies observed—pinales.
April 25th.—Alpine Swifts passing over.
April 27th.—Shot Buff-backed Heron, Isla Menor: and found Bittern's nest with three eggs; also two of the Great Bustard, each with two eggs.
April 28th.—Night-Herons observed—marisma Gallega.
April 29th.—Rufous Warblers (Ædon galactodes) arrived in hundreds. On same date Honey-Buzzards passing northwards, flying quite low against a north-easterly gale, in large bands. A friend, shooting Turtle-Doves in the pinales of San Fernando, killed six. These Buzzards pass yearly in hundreds (both adults and immature), on one or two days at this period, but usually fly very high.
April 30th.—Shot the first Russet-necked Nightjar and observed Melodious Willow-Warblers (Hypolais polyglotta). Enormous passage of Swallows to-day. This is also the date when the Little Bittern and Squacco Heron are due.
May 3rd.—Black Terns appeared. The only other nesting species yet to arrive are the Spotted Flycatcher, Pallid Warbler (Hypolais opaca), and the remainder of the Nightjars, Rufous Warblers, &c.