China 1, 2, 3, 4, 5
Colombia
Mexico 1, 2, 3
Namibia
Rwanda
South Africa
Spain
Trinidad&Tobago
Uganda 1, 2
USA (CA)

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Monday
Kai Pflug (weekly)
Tuesday
Donna Schulman (monthly)
Susan Wroble (monthly)
Hannah Buschert (monthly)
Fitzroy Rampersand (monthly)
Bird Guides of the World (weekly)
Wednesday
Leslie Kinrys (biweekly)
Faraaz Abdool (biweekly)
Thursday
Paul Lewis (weekly)
Birder’s Lists (weekly)
Friday
David Tomlinson (weekly)
Saturday:
Luca Feuerriegel (biweekly)
Peter Penning (biweekly)
Sunday:
Clive Finlayson (weekly)

Any-Time Contributors:
Jason Crotty
Mark Gamin
John Hague
Sara Jentsch
Rolf Nessing
Dragan Simic
Valters Videnieks

See here for info on the writers.