. British birds. Birds. OTES. HABITS OF BROODING-BIRDS AND NESTLINGS AT NIGHT. Regarding my note on the behaviour of nesthng Inrds at night (antea, Vol. VIII., p. 144), the following additional particulars nia}^ be worth recording. In 1915 I visited the following nests regularly after dark :—Two Blackbirds, three Song-Thrushes, three Robins, one Nightingale, one Hedge- Sparrow, one Yellowhanimer, and one Chaffinch. I found that in the case of both Blackbirds, two Song- Thrushes, the Nightingale and the Hedge-Sparrow, the parent bird roosted on the nest up to the time that the young flew. In th
. British birds. Birds. OTES. HABITS OF BROODING-BIRDS AND NESTLINGS AT NIGHT. Regarding my note on the behaviour of nesthng Inrds at night (antea, Vol. VIII., p. 144), the following additional particulars nia}^ be worth recording. In 1915 I visited the following nests regularly after dark :—Two Blackbirds, three Song-Thrushes, three Robins, one Nightingale, one Hedge- Sparrow, one Yellowhanimer, and one Chaffinch. I found that in the case of both Blackbirds, two Song- Thrushes, the Nightingale and the Hedge-Sparrow, the parent bird roosted on the nest up to the time that the young flew. In the case of one Song-Thrush, all three Robins, the Yellowhanimer and the Chaffinch, after the young were half- fledged the old birds never roosted on the nest, nor near it, as well as I could see. Regarding the curious spasmodic action of the yoimg Robins described in my previous note, in 1915 I saw a similar action performed in all three nests under observation, though in one case it was not very marked. I also noticed it very strongly in the case of the Nightingale, and in a much less degree with the Chaffinch. In all the other nests the behaviom' of the young birds was the same as by day. Maud D. Havilakd. TREE-SPARROW NESTING IN CO. ANTRIM. In July, 1915, when with the Belfast Naturalists' Field Club, I found a colony of Tree-Sparrows (Passer montanus) breeding in holes in the face of a cliff on the North Antrim coast, and on visiting the place again in August some of these birds were still there. With them were several House-Sparrows, but the majority of this colony was composed of Tree- Sparrows. The distribution of the Tree-Sparrow in Ireland is, so far as known, very much restricted. For many years it has been known to nest in co. Dublin, and in 1905 Mr. Warren recorded a colony in co. Mayo where, however, it is not stated that it bred. In 1906 it was found nesting in CO. Londonderry, and in the following year in co. Donegal. The discovery of its breeding in co. Antrim
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