14. MONTAGU'S HARRIER. _Circus cineraceus_, Montagu. French, "Busard Montagu," "Busard cendré."--Montagu's Harrier is certainly a more frequent visitant to the Islands than either the Hen Harrier or the Marsh Harrier. Miss C.B. Carey records one in the 'Zoologist' for 1873 as having been shot in Alderney in July of that year. She adds that it was an adult male in full plumage, and that she saw it herself at Mr. Couch's shop. In the 'Zoologist' for 1874 she records another Montagu's Harrier--a young one--shot in Herm in July of that year. She adds that--"It was brought to Mr. Couch to skin. He found a whole Lark's egg, and also the shell of another, in its throat. He showed me how the whole egg was sticking in the empty shell of the broken one." All the Harriers seem to have a special liking for eggs. In his notice of the Marsh Harrier Professor Newton says, in his edition of Yarrell,' that birds' eggs are an irresistible delicacy; and, in speaking of the food of the present species, he says it consists chiefly of grasshoppers, reptiles, small mammals, birds and their eggs; these last, if their size permit, being often swallowed whole, as was the case in the instance mentioned by Miss Carey. Mr. Howard Saunders also says he can bear witness to the egg-eating propensities of the Harriers. Besides the two recorded by Miss C.B. Carey, I saw one--a young bird--in Mr. Maxwell's collection, which had been killed at Herm, and another--a young male--at Mr. Jago's, the bird-stuffer, which had also been killed at Herm. There were also two young birds in the bird-stuffer and carpenter's shop at Alderney, both of which had been killed in that Island shortly before my last visit, June, 1878. As mistakes may occasionally arise in identifying specimens, especially in immature plumage, it may be as well to notice a distinction between the Hen Harrier and Montagu's Harrier, which has been pointed out by Mr. Howard Saunders, and which holds good in all ages and in both sexes. This distinction is, that in the Hen Harrier the outer web of the fifth primary is notched, whereas in Montagu's Harrier it is plain, or, in other words, the Hen Harrier has the exterior web of the primaries, up to and including the fifth, notched, and in Montagu's Harrier this is only the case as far as the fourth.[7] This distinction is very useful in identifying young birds and females, which are sometimes very much alike. In fully adult males the orange markings on the flanks and thighs, and the greyish upper tail-coverts of Montagu's Harrier, distinguish it immediately at a glance from the Hen Harrier, in which those parts are white. Montagu's Harrier is not included by Professor Ansted in his list, nor is there a specimen in the Museum.