Birds of Mallorca

...from waterbirds to songbirds, as seen on our April 2022 vacation. A total of 37 species is included.

Birds of Mallorca:

2022-04-06 - 2022-04-16 in Mallorca


Shag. 2022-04-07 09:05:48 Mallorca NIKON D5600 ISO 400
Exposure 1/2000

Sardinian warbler / Samtkopfgrasmücke (Curruca melanocephala)

Alternate classification: Curruca cantillans, Sylvia melanocephala, Sylvia cantillans
Also known as: Eastern subalpine warbler, Bartgrasmücke, Samtkopf-Grasmuecke

Sardinian warbler seen from our terrace in Calo dOr, Mallorca. 2022-04-07 09:19:22 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Xeno-Canto NABU

Blue rock-thrush / Blaumerle (Monticola solitarius)

Alternate classification: Monticola solitaria
Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto NABU
♫ 2022-04-07 12:12:36 Source: BirdNet 20220407_121236 birdnet - Blaumerle - Blaumerle - Santanyí.mp3 Mallorca (song?)

Eurasian hoopoe / Wiedehopf (Upupa epops)

Also known as: Common hoopoe

Wiedehopf in Calo dOr, Mallorca, fliegt öfter um die Bucht herum. 2022-04-07 12:33:32 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU


Wiedehopf in Calo dOr. 2022-04-07 12:35:54 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Little egret / Seidenreiher (Egretta garzetta)


Seidenreiher in Portocolom, Mallorca. 2022-04-07 16:42:30 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Audouin's gull (Ichthyaetus audouinii)

Alternate classification: Larus audouinii

Audouin's gull in Portocolom, Mallorca. 2022-04-07 16:43:56 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Xeno-Canto NABU

Sardinian warbler / Samtkopfgrasmücke (Curruca melanocephala)

Alternate classification: Curruca cantillans, Sylvia melanocephala, Sylvia cantillans
Also known as: Eastern subalpine warbler, Bartgrasmücke, Samtkopf-Grasmuecke

Sardinian warbler seen from out terrace at Calo dOr, Mallorca. 2022-04-08 09:18:40 Mallorca NIKON D5600 ISO 320
Exposure 0.001 Profile Wikipedia eBird Xeno-Canto NABU


Sardinian warbler seen from our terrace at Calo dOr, Mallorca. 2022-04-08 09:18:42 Mallorca NIKON D5600 ISO 280
Exposure 0.001

Dartford warbler / Provencegrasmücke (Sylvia undata)

Profile Wikipedia eBird Xeno-Canto
♫ 2022-04-08 09:21:02 Source: BirdNet 20220408_092102 birdnet - Provencegrasmücke - Provencegrasmücke - Felanitx.mp3 Mallorca (song)

Eurasian hoopoe / Wiedehopf (Upupa epops)

Also known as: Common hoopoe

Wiedehopf in Calo dOr, Tag 2. 2022-04-08 10:05:04 Mallorca NIKON D5600 ISO 800
Exposure 0.002 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

Sardinian warbler / Samtkopfgrasmücke (Curruca melanocephala)

Alternate classification: Curruca cantillans, Sylvia melanocephala, Sylvia cantillans
Also known as: Eastern subalpine warbler, Bartgrasmücke, Samtkopf-Grasmuecke

Sardinian warbler with the red eyes. 2022-04-08 10:08:24 Mallorca NIKON D5600 ISO 1100
Exposure 0.002 Profile Wikipedia eBird Xeno-Canto NABU


Sardinian warbler. 2022-04-08 10:08:46 Mallorca NIKON D5600 ISO 800
Exposure 0.002

Common wood pigeon / Ringeltaube (Columba palumbus)

Also known as: Wood pigeon

Common wood pigeon at Calo dOr. 2022-04-08 10:20:02 Mallorca NIKON D5600 ISO 560
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

Plaque explaining birds to be expected at the beachside in Es Trenc. 2022-04-08 12:49:06 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Ruddy turnstone / Steinwälzer (Arenaria interpres)

Alternate classification: Tringa interpres
Also known as: Turnstone

Ruddy turnstone on the beach at Es Trenc, Mallorca. 2022-04-08 13:32:18 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird A-Z Animals Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU


Three ruddy turnstones at Es Trenc. 2022-04-08 13:33:00 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Plaque of birds to be expected at Es Trenc. 2022-04-08 13:57:36 Mallorca NIKON D5600 ISO 400
Exposure 0.001


Rather elegant gallus gallus at Es Trenc. 2022-04-08 14:17:26 Mallorca NIKON D5600 ISO 720
Exposure 0.001

Corn bunting / Grauammer (Emberiza calandra)

Alternate classification: Miliaria calandra

Wahrscheinlich ein Grauammer, die wurden auch durch gemeldet. 2022-04-08 14:27:44 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

Zitting cisticola / Zistensänger (Cisticola juncidis)


Zistensänger singt beim Fliegen auf dem Land bei Es Trenc. 2022-04-08 14:36:48 Mallorca NIKON D5600 ISO 360
Exposure 1/2000 Profile Wikipedia eBird Xeno-Canto BirdID NABU
♫ 2022-04-08 14:43:27 Source: BirdNet 20220408_144327 birdnet - Zistensänger - Zistensänger.mp3 Mallorca (song)

Thekla's lark / Theklalerche (Galerida theklae)

Also known as: Thekla lark

Thekla's lark in the countryside near Es Trenc, Mallorca. 2022-04-08 14:48:26 Mallorca NIKON D5600 ISO 320
Exposure 1/2000 Profile Wikipedia eBird Xeno-Canto BirdID NABU

Corn bunting / Grauammer (Emberiza calandra)

Alternate classification: Miliaria calandra

Grauammer. 2022-04-08 14:54:30 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

Little egret / Seidenreiher (Egretta garzetta)


Seidenreiher in der Nähe einer Windmühle bei Es Trenc, Mallorca. 2022-04-08 15:13:18 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Corn bunting / Grauammer (Emberiza calandra)

Alternate classification: Miliaria calandra
Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU
♫ 2022-04-08 15:37:09 Source: BirdNet 20220408_153709 birdnet - Grauammer - Grauammer - El Palmer.mp3 Mallorca (song?)

Ses Salines Salz Bearbeitung. 2022-04-08 16:44:36 Mallorca NIKON D5600 ISO 360
Exposure 0.001


Strolling stilts at Ses Salines. 2022-04-08 17:00:02 Mallorca NIKON D5600 ISO 320
Exposure 0.001

Kentish plover / Seeregenpfeifer (Charadrius alexandrinus)


Der kleinste Watvögel bei Ses Salines, Mallorcal, ein Seeregenpfeifer. 2022-04-08 17:00:16 Mallorca NIKON D5600 ISO 320
Exposure 1/2000 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Saebelschnäbler bei Ses Salines. 2022-04-08 17:01:38 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Common shelduck / Brandgans (Tadorna tadorna)


Ein Brandgans hintern den Saebelschnäblern, Ses Salines, Mallorca. 2022-04-08 17:02:28 Mallorca NIKON D5600 ISO 400
Exposure 1/2000 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Kentish plover / Seeregenpfeifer (Charadrius alexandrinus)


Seeregenpfeifer bei Ses Salines, Mallorca. 2022-04-08 17:06:52 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU


Farbenkontrast bei zwei Seeregenpfeifer. 2022-04-08 17:08:12 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Desert lark / Steinlerche (Ammomanes deserti)

Alternate classification: Alauda deserti
Profile Wikipedia eBird Xeno-Canto
♫ 2022-04-08 17:17:43 Source: BirdNet 20220408_171743 birdnet - Steinlerche - Steinlerche - Campos.mp3 Mallorca (song)

Pied avocet / Säbelschnäbler (Recurvirostra avosetta)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU
♫ 2022-04-08 17:18:58 Source: BirdNet 20220408_171858 birdnet - Säbelschnäbler - Säbelschnäbler - Campos.mp3 Mallorca (song)

Eventuell Eleanorenfalke. 2022-04-09 07:31:58 Mallorca NIKON D5600 ISO 800
Exposure 1/800

Little ringed plover / Flussregenpfeifer (Charadrius dubius)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU
♫ 2022-04-10 11:10:23 Source: BirdNet 20220410_111023 birdnet - Flussregenpfeifer - Flussregenpfeifer - Felanitx.mp3 Mallorca (song)

Blue rock-thrush / Blaumerle (Monticola solitarius)

Alternate classification: Monticola solitaria
Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto NABU
♫ 2022-04-10 11:13:19 Source: BirdNet 20220410_111319 birdnet - Blaumerle auf anderer Seite der Bucht in Cal dOr - Blaumerle - Felanitx.mp3 Mallorca (song?)

♫ 2022-04-10 11:29:26 Source: BirdNet 20220410_112926 birdnet - Blaumerle auf anderer Seite der Bucht in Cal dOr - Blaumerle - Felanitx.mp3 Mallorca (song?)

♫ 2022-04-10 11:30:07 Source: BirdNet 20220410_113007 birdnet - Blaumerle auf anderer Seite der Bucht in Cal dOr - Blaumerle - Felanitx.mp3 Mallorca (song?)

♫ 2022-04-10 11:31:44 Source: BirdNet 20220410_113144 birdnet - Blaumerle auf anderer Seite der Bucht in Cal dOr- 2022-04-10 11:31:44 - Blaumerle - Felanitx.mp3 Mallorca (song?)

European goldfinch / Stieglitz (Carduelis carduelis)

Also known as: Distelfink
Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU
♫ 2022-04-10 14:23:39 Source: BirdNet 20220410_142339 birdnet - Stieglitz im Wald bei Es Trenc - Stieglitz.mp3 Mallorca (song?)

Dartford warbler / Provencegrasmücke (Sylvia undata)

Profile Wikipedia eBird Xeno-Canto
♫ 2022-04-10 14:36:49 Source: BirdNet 20220410_143649 birdnet - Provencegrasmücke - Provencegrasmücke.mp3 Mallorca (song?)

♫ 2022-04-10 14:36:49 Source: BirdNet 20220410_143649 birdnet - Provencegrasmücke - ücke.mp3 Mallorca (song?)

Cirl bunting / Zaunammer (Emberiza cirlus)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU
Singers: Cirl bunting, European serin, Rock bunting
♫ 2022-04-10 14:37:37 Source: BirdNet 20220410_143737 birdnet - Zaunammer, eventuell auch Girlitz, Zippammer - Zaunammer.mp3 Mallorca (song?)

♫ 2022-04-10 14:46:03 Source: BirdNet 20220410_144603 birdnet - Zaunammer - Zaunammer.mp3 Mallorca (song?)

Sardinian warbler / Samtkopfgrasmücke (Curruca melanocephala)

Alternate classification: Curruca cantillans, Sylvia melanocephala, Sylvia cantillans
Also known as: Eastern subalpine warbler, Bartgrasmücke, Samtkopf-Grasmuecke
Profile Wikipedia eBird Xeno-Canto NABU
♫ 2022-04-10 14:51:41 Source: BirdNet 20220410_145141 birdnet - Samtkopf-Grasmücke - Samtkopf-Grasmücke.mp3 Mallorca (song)

Great tit / Kohlmeise (Parus major)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU
♫ 2022-04-10 15:05:12 Source: BirdNet 20220410_150512 birdnet - Kohlmeise - Kohlmeise.mp3 Mallorca (song?)

Eurasian wryneck / Wendehals (Jynx torquilla)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU
♫ 2022-04-10 15:15:59 Source: BirdNet 20220410_151559 birdnet - Wendehals - Wendehals.mp3 Mallorca (song?)

Great reed warbler / Drosselrohrsänger (Acrocephalus arundinaceus)

Alternate classification: Turdus arundinaceus
Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU
♫ 2022-04-12 12:24:14 Source: BirdNet 20220412_122414 birdnet - Drosselrohrsänger - Drosselrohrsänger - Muro.mp3 Mallorca (song?)

♫ 2022-04-12 12:25:06 Source: BirdNet 20220412_122506 birdnet - Drosselrohrsänger - Drosselrohrsänger - Muro.mp3 Mallorca (song?)

Greater flamingo / Rosaflamingo (Phoenicopterus roseus)

Alternate classification: Phoenicopterus ruber roseus
Also known as: Flamingo, Red flamingo

Three white flamingos, Albufera. 2022-04-12 13:43:06 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Xeno-Canto BirdID NABU

Little ringed plover / Flussregenpfeifer (Charadrius dubius)

Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU
♫ 2022-04-12 13:52:04 Source: BirdNet 20220412_135204 birdnet - Flussregenpfeifer - Flussregenpfeifer.mp3 Mallorca (song?)

Common shelduck / Brandgans (Tadorna tadorna)


Brandgans Paar in Albufera. 2022-04-12 13:58:48 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Black-winged stilt / Stelzenläufer (Himantopus himantopus)


Es ist lang gegangen bis ich den Regenflusspfeifer vor den Stelzenläufern gesehen habe. 2022-04-12 13:59:42 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto NABU

Common redshank / Rotschenkel (Tringa totanus)


Common redshank plus common pochard. 2022-04-12 14:02:38 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Spotted redshank / Dunkler Wasserläufer (Tringa erythropus)


Spotted redshank in Albufera. 2022-04-12 14:05:20 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Cetti's warbler / Seidensänger (Cettia cetti)

Profile Wikipedia eBird Xeno-Canto NABU
♫ 2022-04-12 14:07:40 Source: BirdNet 20220412_140740 birdnet - Seidensänger - Seidensänger - Muro.mp3 Mallorca (song)

♫ 2022-04-12 14:20:43 Source: BirdNet 20220412_142043 birdnet - Seidensänger - Seidensänger - Muro.mp3 Mallorca (song?)

Common moorhen / Teichhuhn (Gallinula chloropus)

Also known as: Eurasian moorhen, Eurasian moorhen, Teichralle

Teichhuhn in Albufera. 2022-04-12 14:21:02 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Black-winged stilt / Stelzenläufer (Himantopus himantopus)


Stelzenläufer mit kleinem Flussregenpfeifer. 2022-04-12 14:25:34 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto NABU

Common pochard / Tafelente (Aythya ferina)

Alternate classification: Anas ferina

Tafelenten in Albufera. 2022-04-12 14:28:28 Mallorca NIKON D5600 ISO 400
Exposure 1/1600 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Probably a cormorant, as these have a light belly when immature and have no yellow on the bill like the shag. 2022-04-12 14:28:50 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Little egret / Seidenreiher (Egretta garzetta)


Seidenreiher mit Schmuckfedern im Prachtkleid, neben ihm ein Stelzenläufer. 2022-04-12 14:41:02 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Xeno-Canto BirdID NABU

Common greenshank / Grünschenkel (Tringa nebularia)


Says common greenshank, probably non-breeding adult. 2022-04-12 14:52:08 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

The long, if not winding road, of Albufera. 2022-04-12 14:54:50 Mallorca NIKON D5600 ISO 400
Exposure 0.001

Western yellow wagtail / Schafstelze (Motacilla flava)

Also known as: Yellow wagtail, Wiesenschafstelze

Schafstelze, Albufera. 2022-04-12 14:59:06 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

Zitting cisticola / Zistensänger (Cisticola juncidis)


Zistensänger in der Luft in Albufera. 2022-04-12 15:03:34 Mallorca NIKON D5600 ISO 320
Exposure 1/2000 Profile Wikipedia eBird Xeno-Canto BirdID NABU

Barn swallow / Rauchschwalbe (Hirundo rustica)


Wahrscheinlich Rauchschwalbe in Albufera. 2022-04-12 15:04:54 Mallorca NIKON D5600 ISO 360
Exposure 0.001 Profile Wikipedia eBird A-Z Animals Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU


Wahrscheinlich Rauchschwalbe in Albufera. 2022-04-12 15:04:56 Mallorca NIKON D5600 ISO 360
Exposure 0.001

Mallard / Stockente (Anas platyrhynchos)

Alternate classification: Anas platyrhynchos f. domestica
Also known as: Northern mallard

Ein paar Stockenten im Albufera Naturschutzgebiet. 2022-04-12 15:13:32 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird A-Z Animals Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Spanish sparrow / Weidensperling (Passer hispaniolensis)


MerlinBirdID suggests a Spanish sparrow, Italian sparrow or House sparrow. 2022-04-12 15:18:40 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Xeno-Canto BirdID NABU

House sparrow / Haussperling (Passer domesticus)


Fluffed up house sparrow. 2022-04-12 15:19:38 Mallorca NIKON D5600 ISO 400
Exposure 1/2000 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Stonechat / Schwarzkehlchen (Saxicola rubicola)

Alternate classification: Saxicola torquata rubicola
Also known as: European stonechat, European stonechat, Europäisches Schwarzkehlchen

Stonechat near Colonia de Sant Pere, Mallorca. 2022-04-15 11:40:52 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird bird-song.ch Xeno-Canto BirdID NABU

Great cormorant / Kormoran (Phalacrocorax carbo)


Three great cormorants near Colonia de Sant Pere, Mallorca. 2022-04-15 15:06:42 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch Audubon AllAboutBirds Xeno-Canto BirdID NABU

Stonechat / Schwarzkehlchen (Saxicola rubicola)

Alternate classification: Saxicola torquata rubicola
Also known as: European stonechat, European stonechat, Europäisches Schwarzkehlchen

Balancing act of a stonechat bei Colonia de Sant Pere, Mallorca. 2022-04-15 15:19:42 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird bird-song.ch Xeno-Canto BirdID NABU

Common linnet / Bluthänfling (Linaria cannabina)

Alternate classification: Carduelis cannabina
Also known as: Eurasian linnet, Hänfling

Paar bei Colonia de Sant Pere, Mallorca - suggests eurasian linnet or less likely cirl bunting. 2022-04-15 15:36:36 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU

European goldfinch / Stieglitz (Carduelis carduelis)

Also known as: Distelfink

Stieglitz-Truppe bei Colonia de Sant Pere, Mallorca. 2022-04-15 15:54:56 Mallorca NIKON D5600 ISO 400
Exposure 0.001 Profile Wikipedia eBird Vogelwarte BirdLife ZH ornitho.ch bird-song.ch Xeno-Canto BirdID NABU