Birdlife NSW (Northern)
http://www.birdlife.org.au/locations/birdlife-northern-nsw
http://www.birdlife.org.au/locations/birdlife-northern-nsw
Birdlife Australia
http://birdlife.org.au/
Hunter Bird Observers Club
https://www.hboc.org.au/
The Hastings Birdwatchers
http://www.hastingsbirdwatchers.org.au/
NSW Bird Atlassers
https://www.nswbirdatlassers.org.au/
Birds in Backyards
http://birdsinbackyards.net/
Cumberland Bird Observers’ Club
https://www.cboc.org.au/