Bat
Nyctalus
Bats can fly and are the only mammals capable of true and sustained flight.
© Michael Trump TQ4792 19/12/2019
This large Bat with a wingspan of over 30cm was flying just before noon at the back of Hainault Lake. Essex Field Club recorder, Tim Sapsford commented: "It certainly looks Nyctalus like, it has narrow wings, more likely Noctule than Leisler's although they look the same in flight."