91av

Letter: First class post

Published 5 October 2016

I used to have bat fish in a saltwater tank… I never thought to listen!
by our report of bat fish recorded singing dawn choruses with others (1 October, p 16)

Issue no. 3094 published 8 October 2016

91av issue 3094 cover

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with 91av events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop