In total 44 articles in the following journals/magazines
Alula
Ornis Fennica
Birding World
Lintumies (in Finnish)
Ukuli (in Finnish)
Linnut (in Finnish)
Tringa (in Finnish)
Skärgård (in Swedish)
Examples:
Hakala J, Tenovuo J: Identification and plumages of large pipits (Anthus campestris, A. novaeseelandiae and A. godlewskii).
Ornis Fennica 45, 131-7, 1968.
Tenovuo J, Varrela J: Identification of the Great Grey Shrike complex in Europe.
Alula 1, 2-11, 1998.
Perttula P, Tenovuo J: Great Grey Shrike subspecies excubitor, sibiricus and borealis.
Alula 8, 54-60, 2002.
Tenovuo J: Pacific Swift or an albino Common Swift?
Alula 9, 60-2, 2003.
Tenovuo J: White-rumped Swifts in Spain.
Birding World 17, 476-7, 2004.
Tenovuo J: Field identification of Little Egret and Western Reef Heron - can it be difficult?
Alula 11, 112-4, 2005.
Tenovuo J: Basra Reed Warbler - a little-known Western Paleartic bird.
Birding World 19, 66-8, 2006.
In birding and nature magazines or books:
Alula
Birding World
Roadrunner
Vögel
Fugle i Felten
Linnut-magazine
Linnut-year books
Ukuli
Tiira
Bongari-year books
Suomen Luonto (Finnish Nature)
Luontokuva (Nature Photograph)
Birds in Nature (Latvia, Putni dabã)
Behavioral Ecology
Guide to Birdwatchers; by Lasse J Laine, Otava Publishing Co., 2004
Birds I-III, ed by J Södersved et al., Weilin & Göös Publishing Co., 2008
(3 photos)
Spotter's Guide to Birds of the Bushveld (by S C Kidson & H L van Niekerk, Briza Publications, South Africa, 2007) ( in total 18 photos)
Bushveld - a field guide from the Waterberg (by L Cutteridge, Durban, 2008) (5 photos)
Big Garden Birdwatch (winter guide), BirdLife Finland, 2009 (14 photos)
Atlas da Fauna do Vale do Coa (by R Tomé & P Catry, Pinhel, Portugal, 2009) (in total 15 photos)
tot Parc, Spain (2009, 2 photos)
Birds of the Alps (by B Caula, P L Beraudo & M Pettavino, Italy, 2009 (in total 51 photos)
plus in 16 different non-birding Finnish journals (newspapers etc)
plus (> 200 photos) on a number of webpages, such as
BirdLife Finland
Tarsiger. com
Donana Bird Tours
Scenic Bird Tours
TP-naturresor
Birds in Tanzania
Birdinfo. com
RajalaCamera
Radio Lapland etc
1999- in total 32
Bird Photos, Turku, Ruissalo (Tammenterho) 2004 (own exhibition with 30 photos)
Birds from the Archipelago (together with Anne Tuominen), Tuusula, Tuuskoto 2007
Helsinki Fair, 2010
Utö Havshotel 2011 (together with Markus Varesvuo)
Founding Member of Turku Ornithological Society 1966
Board Member of Turku Ornithological Society 1999-2000
In total of 31 bird columns in local leading newspaper (Turun Sanomat) 1999-2000
Member of the Organization of Finnish Nature Photographers
Member of the Organization of Nature Photographers of Turku district