History of the zoo...
Here you see the chronology of the birds that were set free. Once in a while there is a bigger installation and you can read about it in the newsletters.
| July 7th, 2008 | No news is good news. |  |
| July 6th, 2008 | No news is good news. |  |
| July 5th, 2008 | No news is good news. |  |
| July 4th, 2008 | No news is good news. |  |
| July 3rd, 2008 | No news is good news. |  |
| July 2nd, 2008 | No news is good news. |  |
| July 1st, 2008 | No news is good news. |  |
| June 30th, 2008 | Added Birds from Stuttgard, Neuchatel and Newsletter 34 is out! |  |
| June 29th, 2008 | Added Birds from Bern and Newsletter 34 is out! |  |
| June 27th, 2008 | No news is good news. |  |
| June 26th, 2008 | No news is good news. |  |
| June 25th, 2008 | No news is good news. |  |
| June 24th, 2008 | No news is good news. |  |
| June 23rd, 2008 | No news is good news. |  |
| June 22nd, 2008 | No news is good news. |  |
| June 21st, 2008 | No news is good news. |  |
| June 19th, 2008 | Added Birds from Zürich, Los Angeles and Newsletter 34 is out! |  |
| June 18th, 2008 | Added Birds from Chur, Bern, Brooklyn and Newsletter 34 is out! |  |
| June 17th, 2008 | No news is good news. |  |
| June 16th, 2008 | Added Birds from Adelaide, Milano and Newsletter 34 is out! |  |
| June 15th, 2008 | Added Birds from Yverdon-les-Bains, Lausanne and Newsletter 34 is out! |  |
| June 14th, 2008 | Added Birds from Amsterdam, Himalaya, Bern, Basel and Newsletter 34 is out! |  |
| June 13th, 2008 | Added Birds from Adelaide, Chicago, Bern and Newsletter 34 is out! |  |
| June 12th, 2008 | Added Birds from Goa, Chicago, Tel Aviv and Newsletter 34 is out! |  |
| June 11th, 2008 | Added Birds from Zürich, Bern, and Newsletter 34 is out! |  |
| June 10th, 2008 | Added Birds from Zürich, Bern, Zermatt and Newsletter 33 is out! |  |
| June 9th, 2008 | Added Birds from Zürich and Newsletter 33 is out! |  |
| June 7th, 2008 | Added Birds from Amsterdam,M&unchen, Zürich, Diemtigtal and Newsletter 33 is out! |  |
| June 6th, 2008 | Added Birds from Jungfrau and Newsletter 33 is out! |  |
| June 5th, 2008 | Added Birds from Bern, Gstaad, Basel, New York and Newsletter 33 is out! |  |
| June 4th, 2008 | Added Birds from Bern, Basel and Newsletter 33 is out! |  |
| June 3rd, 2008 | Added Birds from Tel Aviv, Seoul, Burgdorf, Brooklyn and Newsletter 33 is out! |  |
| June 2nd, 2008 | Added Birds from Tel Aviv, Stuttgard, Amsterdam, Enfield, Bernd and Newsletter 33 is out! |  |
| May 30th, 2008 | Added Birds from Zürich and Newsletter 33 is out! |  |
| May 29th, 2008 | Added Birds from Adelaide, Chicago, Seoul, Lenzerheide, Goa and Newsletter 33 is out! |  |
| May 28th, 2008 | Added Birds from Geneva, Bern and Newsletter 33 is out! |  |
| May 27th, 2008 | Added Birds from Geneva, London, Baden, Neuchatel, Bern and Newsletter 33 is out! |  |
| May 26th, 2008 | Added Birds from Ystad, Zürich, Oberägeri and Newsletter 33 is out! |  |
| May 24th, 2008 | Added Birds from Berlin, Zürich, Brissago and Newsletter 33 is out! |  |
| May 23rd, 2008 | Added Birds from Oslo, Guadalajara, Bern, London and Newsletter 33 is out! |  |
| May 22nd, 2008 | Added Birds from Oslo, Guadalajara, Bern, London and Newsletter 33 is out! |  |
| May 21st, 2008 | Added Birds from London, Bern, Stuttgart and Newsletter 33 is out! |  |
| May 20th, 2008 | Added Birds from Geneva, Zürich and Newsletter 33 is out! |  |
| May 19th, 2008 | Added Birds from Mainz, Port Campbell, Zürich and Newsletter 33 is out! |  |
| May 17th, 2008 | Added Birds from Zürich and Newsletter 33 is out! |  |
| May 16th, 2008 | Added Birds from Zürich and Newsletter 33 is out! |  |
| May 15th, 2008 | No news is good news. |  |
| May 14th, 2008 | No news is good news. |  |
| May 13th, 2008 | No news is good news. |  |
| May 9th, 2008 | No news is good news. |  |
| May 8th, 2008 | No news is good news. |  |
| May 7th, 2008 | No news is good news. |  |
| May 6th, 2008 | No news is good news. |  |
| May 5th, 2008 | No news is good news. |  |
| May 3rd, 2008 | No news is good news. |  |
| May 2nd, 2008 | No news is good news. |  |
| May 1st, 2008 | No news is good news. |  |
| April 30th, 2008 | No news is good news. |  |
| April 29th, 2008 | Added Bird from Burgdorf and Newsletter 32 is out! |  |
| April 28th, 2008 | Added Bird from Zürich and Newsletter 32 is out! |  |
| April 27th, 2008 | Added Bird from Offenbach, Mainz, Geneve and Newsletter 32 is out! |  |
| April 25th, 2008 | Added Bird from Basel, Buenos Aires, Seoul, Frankfurt and Newsletter 32 is out! |  |
| April 24th, 2008 | Added Bird from Basel, Baden, Neuchatel, Geneva and Newsletter 32 is out! |  |
| April 23rd, 2008 | Added Bird from Vaduz, Zürich and Newsletter 32 is out! |  |
| April 22nd, 2008 | Added Bird from Würzburg, Stuttgart, Annecy, Beijing and Newsletter 32 is out! |  |
| April 21st, 2008 | Added Bird from Geneva, Basel, Zurich, Neuchatel and Newsletter 32 is out! |  |
| April 19th, 2008 | No news is good news.Added Bird from Spiez and Newsletter 32 is out! |  |
| April 18th, 2008 | No news is good news.Added Bird from Niesen, Adelaide and Newsletter 32 is out! |  |
| April 17th, 2008 | Added Bird from Lausanne, Frauenfeld, Neuchatel, Karain, Bern and Newsletter 32 is out! |  |
| April 16th, 2008 | Added Bird from Lausanne, Frauenfeld, Neuchatel, Karain, Bern and Newsletter 32 is out! |  |
| April 15th, 2008 | Added Bird from Chur and Newsletter 32 is out! |  |
| April 14th, 2008 | Added Bird from Bern, Neuchatel and Newsletter 32 is out! |  |
| April 12th, 2008 | Added Bird from Bern and Newsletter 32 is out! |  |
| April 11th, 2008 | Added Bird from Bern, Hospet, Lausanne, Ra'anana, Jerusalem and Newsletter 32 is out! |  |
| April 10th, 2008 | Added Bird from Bern, Hospet, Lausanne, Ra'anana, Jerusalem and Newsletter 32 is out! |  |
| April 9th, 2008 | Added Bird from Coldspring, Goa and Newsletter 32 is out! |  |
| April 8th, 2008 | Added Bird from London and Newsletter 32 is out! |  |
| April 7th, 2008 | Added Bird from Rotkreuz, Zürich and Newsletter 32 is out! |  |
| April 4th, 2008 | Added Bird from Hasle-Ruegsau, New York, Davos, Neuchatel and Newsletter 32 is out! |  |
| April 3rd, 2008 | Added Bird from Zürich and Newsletter 32 is out! |  |
| April 2nd, 2008 | Added Bird from Lenk, Thun, Neuchatel, Locarno, Tel Aviv and Newsletter 32 is out! |  |
| April 1st, 2008 | Added Bird from Lausanne, Santa Barbara, Bern and Newsletter 32 is out! |  |
| March 31st, 2008 | Added Bird from Ouveillan and Newsletter 32 is out! |  |
| March 28th, 2008 | No news is good news. |  |
| March 27th, 2008 | No news is good news. |  |
| March 26th, 2008 | No news is good news. |  |
| March 25th, 2008 | No news is good news. |  |
| March 23rd, 2008 | No news is good news. |  |
| March 22nd, 2008 | Added Bird from Allover and Newsletter 32 is out! |  |
| March 21st, 2008 | Added Bird from Zürich, Geneva and Newsletter 32 is out! |  |
| March 20th, 2008 | Added Bird from Bern, Belalp, Yverdon-les-bains, New York and Newsletter 32 is out! |  |
| March 19th, 2008 | Added Bird from Lausanne, Tel Aviv and Newsletter 32 is out! |  |
| March 18th, 2008 | Added Bird from Bern, Schweinfurt, Fribourg, London, Manila and Newsletter 32 is out! |  |
| March 17th, 2008 | No news is good news. |  |
| March 16th, 2008 | Added Bird from Zürich, Nerja, South Tyrol, Bern and Newsletter 32 is out! |  |
| March 15th, 2008 | No news is good news. |  |
| March 14th, 2008 | No news is good news. |  |
| March 13th, 2008 | No news is good news. |  |
| March 12th, 2008 | Added Bird from Zürich, Neuchâtel and Newsletter 32 is out! |  |
| March 11th, 2008 | Added Bird from Bern, Zürich, Tel Aviv, Amsterdam, Stuttgard, Medellin and Newsletter 32 is out! |  |
| March 10th, 2008 | Added Bird from Ticino, Goa, Bern, Basel and Newsletter 32 is out! |  |
| March 9th, 2008 | No news is good news. |  |
| March 8th, 2008 | No news is good news. |  |
| March 7th, 2008 | Added Bird from Bern, Basel and Newsletter 32 is out! |  |
| March 6th, 2008 | Added Bird from Bern, Basel and Newsletter 32 is out! |  |
| March 5th, 2008 | Added Bird from Bern and Newsletter 32 is out! |  |
| March 4th, 2008 | Added Bird from New York, Bern, Chur, Zürich and Newsletter 32 is out! |  |
| March 3rd, 2008 | Added Bird from Bavaria, Bern, Amstelveen, Basel, Tel Aviv and Newsletter 32 is out! |  |
| March 2nd, 2008 | No news is good news. |  |
| March 1st, 2008 | No news is good news. |  |
| February 29th, 2008 | No news is good news. |  |
| February 28th, 2008 | Added Bird from Bern, Basel and Newsletter 32 is out! |  |
| February 27th, 2008 | Added Bird from Bern and Newsletter 32 is out! |  |
| February 26th, 2008 | Added Bird from Zacatecas, Bern, Olten, Bavois, Karnataka, and Newsletter 32 is out! |  |
| February 25th, 2008 | Added Bird from Tel Aviv, Zürich and Newsletter 32 is out! |  |
| February 24th, 2008 | No news is good news. |  |
| February 23rd, 2008 | No news is good news. |  |
| February 22nd, 2008 | No news is good news. |  |
| February 21st, 2008 | Added Bird from Bern, Deisswil and Newsletter 32 is out! |  |
| February 20th, 2008 | Added Bird from Varzo, Gümligen, Gwatt and Newsletter 32 is out! |  |
| February 19th, 2008 | Added Bird from New York and Newsletter 32 is out! |  |
| February 18th, 2008 | Added Bird from Brooklyn and Newsletter 32 is out! |  |
| February 17th, 2008 | No news is good news. |  |
| February 16th, 2008 | Added Bird from Bern, Schweinfurt, Chamechaude, Maastricht, Chicago and Newsletter 32 is out! |  |
| February 15th, 2008 | Added Bird from Bern, Schweinfurt, Chamechaude, Maastricht, Chicago and Newsletter 32 is out! |  |
| February 14th, 2008 | No news is good news. |  |
| February 13th, 2008 | Added Bird from Bern, Burgdorf, Ausserholligen and Newsletter 32 is out! |  |
| February 12th, 2008 | Added Bird from Bern, Burgdorf, Zü,rich and Newsletter 32 is out! |  |
| February 11th, 2008 | Added Bird from Schwamendingen, Goa, Coldspring and Newsletter 32 is out! |  |
| February 9th, 2008 | Added Bird from Adelaide and Newsletter 32 is out! |  |
| February 8th, 2008 | Added Bird from Tirano, Lausanne and Newsletter 32 is out! |  |
| February 7th, 2008 | Added Bird from New York, Brooklyn and Newsletter 32 is out! |  |
| February 6th, 2008 | Added Bird from Bern, Firenze, Mainz, Amsterdam, Lausanne, New York, Mainz, London and Newsletter 32 is out! |  |
| February 5th, 2008 | No news is good news. |  |
| February 4th, 2008 | Added Bird from New York and Newsletter 32 is out! |  |
| February 3rd, 2008 | Added Bird from Brooklyn and Newsletter 32 is out! |  |
| February 2nd, 2008 | Added Bird from Allover and Newsletter 32 is out! |  |
| February 1st, 2008 | No news is good news. |  |
| January 31st, 2008 | Added Bird from Zurich, Basel, Winterthur and Newsletter 32 is out! |  |
| January 30th, 2008 | Added Bird from Zurich, Lausanne, Geneva, Split and Newsletter 32 is out! |  |
| January 29th, 2008 | No news is good news. |  |
| January 28th, 2008 | Added Bird from N.Y., Jerusalem, Goa, Frankfurt, Torquay and Newsletter 32 is out! |  |
| January 27th, 2008 | No news is good news. |  |
| January 26th, 2008 | Added Bird from Kaddiramura and Newsletter 32 is out! |  |
| January 25th, 2008 | Added Bird from Basel and Newsletter 32 is out! |  |
| January 24th, 2008 | Added Birds from Geneva, Basel and Newsletter 32 is out! |  |
| January 23rd, 2008 | Added Birds from Geneva and Newsletter 32 is out! |  |
| January 22nd, 2008 | Added Birds from Bern, Boll, Varzo, Affoltern, Boll-Utzigen and Newsletter 32 is out! |  |
| January 21st, 2008 | Added Birds from Bern, Oberburg and Newsletter 32 is out! |  |
| January 19th, 2008 | Added Birds from Stralsund, Basel, Vaduz, Thun, Vinezac, Bern and Newsletter 32 is out! |  |
| January 18th, 2008 | Added Birds from Madrid, Frauenfeld, Lausanne, Neuchatel, Amsterdam and Newsletter 32 is out! |  |
| January 17th, 2008 | Added Birds from San Francisco and Newsletter 32 is out! |  |
| January 16th, 2008 | Added Birds from San Francisco and Newsletter 32 is out! |  |
| January 15th, 2008 | Added Birds from Port Lesney, Bern, Frankfurt, Allover, Geneva and Newsletter 32 is out! |  |
| January 14th, 2008 | Added Birds from Lausanne, New York and Newsletter 32 is out! |  |
| January 13th, 2008 | Added Birds from San Francisco and Newsletter 32 is out! |  |
| January 12th, 2008 | Added Birds from San Francisco, Zürich, Fribourd and Newsletter 32 is out! |  |
| January 11th, 2008 | Added Birds from Bern and Newsletter 32 is out! |  |
| January 10th, 2008 | Added Birds from Lausanne, Frauenfeld, Zürich, San Francisco, Santa Barbara and Newsletter 32 is out! |  |
| January 9th, 2008 | Added Birds from Lausanne, Wiesbaden, Zürich, Fribourg and Newsletter 32 is out! |  |
| January 8th, 2008 | Added Birds from Bern, Pieterlen, Goa, New York and Newsletter 32 is out! |  |
| January 7th, 2008 | Added Birds from Bern, Jerusalem, Anatalia, Frankfurt and Newsletter 32 is out! |  |
| January 6th, 2008 | Added Birds from Bern, Vieux Boucau, Auvergne, Malaga, Maastricht and Newsletter 32 is out! |  |
| January 5th, 2008 | Added Birds from Baden, Matterhorn, Mainz, Fribourg and Newsletter 32 is out! |  |
| January 4th, 2008 | Added Birds from Tulum, San Cristobal de Las Casas, Tel Aviv, Goa and Newsletter 32 is out! |  |
| January 3rd, 2008 | Added Birds from Creel, Guanajuato, Goa, Bern and Newsletter 32 is out! |  |
| January 2nd, 2008 | Added Birds from Bern, Rämisgumme, Weil am Rhein and Newsletter 32 is out! |  |
| January 1st, 2008 | Added Birds from Bern and Newsletter 32 is out! |  |
| December 31st, 2007 | Added Birds from Los Angeles, Santiago, Zürich, Allover and Newsletter 31 is out! |  |
| December 30th, 2007 | Added Birds from Mainz, London, New York, Zürich, Tel Aviv and Newsletter 31 is out! |  |
| December 29th, 2007 | Added Birds from Winterthur and Newsletter 31 is out! |  |
| December 28th, 2007 | Added Birds from Geneva, Bern, Sulgenau and Newsletter 31 is out! |  |
| December 27th, 2007 | No news is good news. |  |
| December 26th, 2007 | Added Birds from Burgdorf and Newsletter 31 is out! |  |
| December 25th, 2007 | Added Birds from Burgdorf and Newsletter 31 is out! |  |
| December 24th, 2007 | Added Birds from Basel, Fribourg, Bern, Oslo and Newsletter 31 is out! |  |
| December 22nd, 2007 | No news is good news. |  |
| December 21st, 2007 | Added Birds from Zermatt, Seattle and Newsletter 31 is out! |  |
| December 20th, 2007 | No news is good news. |  |
| December 19th, 2007 | Added Birds from Bern, Lausanne and Newsletter 31 is out! |  |
| December 18th, 2007 | Added Birds from Bern, Bantigen, Lausanne and Newsletter 31 is out! |  |
| December 17th, 2007 | Added Birds from Bern and Newsletter 31 is out! |  |
| December 16th, 2007 | Added Birds from Frieswil, Jerusalem, Zermatt, Aletschgletscher and Newsletter 30 is out! |  |
| December 15th, 2007 | Added Birds from Basel, Gstaad, Los Angeles and Newsletter 30 is out! |  |
| December 14th, 2007 | Added Birds from Paris and Newsletter 30 is out! |  |
| December 13th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 12th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 11th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 10th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 9th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 8th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 7th, 2007 | Added Birds from Bern and Newsletter 30 is out! |  |
| December 6th, 2007 | No news is good news. |  |
| December 5th, 2007 | No news is good news. |  |
| December 4th, 2007 | No news is good news. |  |
| December 3rd, 2007 | No news is good news. |  |
| December 2nd, 2007 | No news is good news. |  |
| December 1st, 2007 | No news is good news. |  |
| November 30th, 2007 | No news is good news. |  |
| November 29th, 2007 | No news is good news. |  |
| November 28th, 2007 | No news is good news. |  |
| November 27th, 2007 | No news is good news. |  |
| November 26th, 2007 | No news is good news. |  |
| November 25th, 2007 | No news is good news. |  |
| November 24th, 2007 | No news is good news. |  |
| November 23rd, 2007 | No news is good news. |  |
| November 22nd, 2007 | No news is good news. |  |
| November 21st, 2007 | No news is good news. |  |
| November 20th, 2007 | No news is good news. |  |
| November 19th, 2007 | No news is good news. |  |
| November 18th, 2007 | No news is good news. |  |
| November 17th, 2007 | No news is good news. |  |
| November 16th, 2007 | No news is good news. |  |
| November 15th, 2007 | Added Birds from Bern and Newsletter 29 is out! |  |
| November 14th, 2007 | Added Birds from Bern and Newsletter 29 is out! |  |
| November 13th, 2007 | Added Birds from Stone Town, Aksum, Dar es Salaam, Serengeti, Nairobi, Mount Kenya, Addis Ababa, Maralal and Newsletter 29 is out! |  |
| November 12th, 2007 | Added Birds from Bern, New York, San Cristobal de Las Casas, Palenque, Ibiza and Newsletter 29 is out! |  |
| November 9th, 2007 | Added Birds from Fribourg, Zürich, Burgdorf and Newsletter 29 is out! |  |
| November 8th, 2007 | Added Birds from Lombok, Kuala Lumpur, Sanur, Sumbawa, Flores, Torino, Tromso, Zürich, Burgdorf and Newsletter 28 is out! |  |
| November 7th, 2007 | Added Birds from Bern, Lausanne, Luxor, Stuttgard, Basel, New York, Saas Fee and Newsletter 28 is out! |  |
| November 6th, 2007 | Added Birds from 's-Hertogenbosch, Lausanne, Lima, Allover, Avry-sur-Matran and Newsletter 28 is out! |  |
| November 5th, 2007 | Added Birds from Constance, Santa Barbara, Bern, Luzern and Newsletter 28 is out! |  |
| November 2nd, 2007 | Added Birds from Zürich, Praha and Newsletter 28 is out! |  |
| November 1st, 2007 | Added Birds from Gstaad, Zürich, Lausanne, Santiago, Jerusalem, Luzern, Pilatus, Las Vegas and Newsletter 28 is out! |  |
| October 31st, 2007 | Added Birds from Sissach, Naturns, Graubüden, Zürich and Newsletter 28 is out! |  |
| October 30th, 2007 | Added Birds from Gstaad, Rotterdam, Chiloe, Hornopiren and Newsletter 28 is out! |  |
| October 29th, 2007 | Added Birds from Los Angeles and Newsletter 28 is out! |  |
| October 28th, 2007 | Added Birds from Lausanne, Bern, Mainz and Newsletter 28 is out! |  |
| October 27th, 2007 | Added Birds from Vieux Bouceau, Las Vegas, Palo Alto, Bern and Newsletter 28 is out! |  |
| October 26th, 2007 | Added Bird from New York and Newsletter 28 is out! |  |
| October 25th, 2007 | Added Birds from Bern and Newsletter 28 is out! |  |
| October 24th, 2007 | No news is good news. |  |
| October 23rd, 2007 | No news is good news. |  |
| October 22nd, 2007 | No news is good news. |  |
| October 21st, 2007 | No news is good news. |  |
| October 19th, 2007 | No news is good news. |  |
| October 18th, 2007 | No news is good news. |  |
| October 17th, 2007 | No news is good news. |  |
| October 16th, 2007 | No news is good news. |  |
| October 15th, 2007 | No news is good news. |  |
| October 14th, 2007 | No news is good news. |  |
| October 13th, 2007 | No news is good news. |  |
| October 12th, 2007 | No news is good news. |  |
| October 11th, 2007 | No news is good news. |  |
| October 10th, 2007 | No news is good news. |  |
| October 9th, 2007 | No news is good news. |  |
| October 8th, 2007 | No news is good news. |  |
| October 7th, 2007 | No news is good news. |  |
| October 6th, 2007 | No news is good news. |  |
| October 5th, 2007 | No news is good news. |  |
| October 4th, 2007 | No news is good news. |  |
| October 3rd, 2007 | No news is good news. |  |
| October 2nd, 2007 | No news is good new |