March 1952 – vol. 45, issue 3–102 IN a previous note (antea, vol. xlii, p. 358) we drew attention to the fact that high-speed flash photography of birds feeding young, frequently enables the prey to be identified because greater clarity is obtained when very short exposures are used. During the past year (1951), Hosking has used this method of photography on many species, but two of these have been of especial interest, and we hav... This article is only available to registered users.To read more, please log in or purchase a subscription.