Little Egret BTO - British Trust for Ornithology

Projecting the future BTO - British Trust for Ornithology

Little Egret - Norfolk Wildlife Trust

Egrets Maine: An Encyclopedia

Do birds of a feather flock together? - British Ornithologists' Union

Migration blog (20th – 26th August)

Volunteer magazine 2017 issue by British Trust for Ornithology - Issuu

Species and codes - British Trust for Ornithology

Helford Voluntary Marine Conservation Area » Grey Heron and Little

Herons and Egrets – the life of some of our taller residents

Tropical egrets gain a foothold in Britain

Surveys Appeal BTO - British Trust for Ornithology