Der Ornithologische Beobachter / Band 114 / Heft 1 / März 2017 25
Bestandsentwicklung von zehn Brutvogelarten in der Aareebene bei Solothurn von 1982 bis 2016
Walter Christen
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35 Wachtel Grenchen 30 Bettlach Selzach 25
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10
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50 10 Graureiher
40 8
30 6 Paare 20 4 Kolonien
10 2
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Abb. 3.%UXWEHVWDQG EHVHW]WH+RUVWH GHV*UDXUHLKHUVLQGHU$DUHHEHQHYRQ ELV'XQNHOJUQ .RORQLH(LFKDFKHUEHL$OWUHXKHOOJUQ EULJH.RORQLHQ %DONHQ6NDODOLQNV XQG$Q]DKO.RORQLHQ /LQLH 6NDODUHFKWV 5HFKWV*UDXUHLKHUNRORQLHLP(LFKDFKHUEHL$OWUHX0lU] ±Breeding population (occu- pied nests: bars and left scale) of the Grey Heron in the plain of the Aare, 1982–2016 (dark green = colony Eichacher near Altreu, light green = other colonies). The total number of colonies is given by the line. :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ± 2UQLWKRO%HRE
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10 (QWZlVVHUXQJVNDQDO EHL %HOODFK HUVWPDOV HLQ 3DDU:HLWHUH%UXWQDFKZHLVHYRQMHHLQHP3DDU 0 IROJWHQ HUVW XQG 6HLW EUWHW GDV 6FKZDU]NHKOFKHQ MHGHV -DKU LQ GHU :LWL'DV0D[LPXPZXUGHPLW5HYLH Abb. 5.$Q]DKO5HYLHUHGHU1DFKWLJDOOLQGHU$DUH HEHQH YRQ ELV ± Number of territories UHQHUUHLFKW$OOHUGLQJVKDWGHU%HVWDQGVHLWKHU of the Common Nightingale in the plain of the Aare ZLHGHUDEJHQRPPHQELVDXI3DDU9RQ 1982–2016. GHQ WRWDO 5HYLHUHQ JHODQJHQ EHL EHU GHU +lOIWH %UXWQDFKZHLVHLQ)RUPYRQ)W WHUXQJVIOJHQXQG)OJJOLQJHQ $EE EUWHWHGDV6FKZDU]NHKOFKHQHUVWPDOV VFKQLWWOLFK ± %HVRQGHUVPDUNDQW DQGHUVWLOOJHOHJWHQ%DKQOLQLHEHL5WL'LH%| ZDUGHU(LQEUXFK]X%HJLQQGHU1HXQ]LJHUMDK VFKXQJHQZHUGHQKLHUQXUQRFKPLQLPDOXQWHU UH 5HYLHUH QRFK5HYLHUHXQG KDOWHQXQGPLWGHQ-DKUHQNRQQWHVLFKQHEHQ ZLHGHU5HYLHUH,QGHU]ZHLWHQ+lOIWH GHQDXINRPPHQGHQ%VFKHQ XDYLHOH%URP GHV %HDUEHLWXQJV]HLWUDXPV ZDU GHU %HVWDQG EHHUHQ HLQH GLFKWH *UDVVFKLFKW ELOGHQ 9RQ GHXWOLFK K|KHU DOV LQ GHU HUVWHQ ± ELV ZDUHQ HV ± 5HYLHUH HQWODQJ SUR-DKULP0LWWHO 5HYLHUHXQG ± GHUNPODQJHQ6WUHFNHVRJDU5HYLHUH 5HYLHUH 'LH 8UVDFKH IU GLH =XQDKPH LVW )DPLOLHQ3DDUH6lQJHU 5HYLHU XQWHU DQGHUHP LP 'LFKWHUZHUGHQ GHU +HFNHQ XQGNHLQHVPHKU(VLVWXQNODUZHVKDOE XQG*HK|O]VWUHLIHQ]XVXFKHQ GLH$UWKLHU YRUOlXILJ YHUVFKZXQGHQLVW'HU %HPHUNHQVZHUW LVW GLH 'LFKWH DP KD /HEHQVUDXP VFKHLQW QDFK PHLQHU %HXUWHLOXQJ JURVVHQ$OWZDVVHUEHL*UHQFKHQZRGLH1DFK IUGDV6FKZDU]NHKOFKHQDXFKKHXWHQRFKJH WLJDOO HUVW VHLW UHJHOPlVVLJ EUWHW +LHU HLJQHW]XVHLQ NRQ]HQWULHUW VLFK GHU %HVWDQG DXI HLQH YHU .QDSSVGOLFKGHV%HREDFKWXQJVJHELHWVLP EXVFKWH .HKULFKWGHSRQLH XQG DXI ]ZHL DQ %UKRO] EHL 5WL EUWHQ VHLW IDVW MHGHV JUHQ]HQGH 6FKZDU]GRUQKHFNHQ 9RQ ELV -DKU±3DDUHLQJURVVHQ%XQWEUDFKHQ ZDUHQDP$OWZDVVHUMHZHLOV±5HYLHUH GDYRQPD[LPDO5HYLHUHDXIGHUKDJURV 2.6. Dorngrasmücke Sylvia communis VHQ'HSRQLHPLWYLHOHQ%URPEHHUHQ &KULVWHQ $XFKDQDQGHUHQ6WHOOHQNRPPWHVMDKU 8QWHUDQGHUHPZHJHQHLQHUDQGDXHUQGHQ'U ZHLVH]XKRKHQ'LFKWHQVREHL/HQJQDX UHSHULRGH LP +DXSWEHUZLQWHUXQJVJHELHW LQ HQWODQJ HLQHU +RFKKHFNH PLW GLFKWHU 6WUDXFK GHU6DKHO]RQHDEGHP:LQWHU EUDFKHQ VFKLFKWXQGHLQHP:DVVHUJUDEHQ5HYLHUHDXI GLHHXURSlLVFKHQ%UXWSRSXODWLRQHQGUDPDWLVFK HLQHU/lQJHYRQP HLQ *OXW] YRQ %ORW]KHLP %DXHU ,Q (V OLHJHQ ]DKOUHLFKH %UXWQDFKZHLVH YRU GHU $DUHHEHQH ZDU GHU %UXWEHVWDQG GHVKDOE 'LH ]XU IRUWJHVFKULWWHQHQ %UXW]HLW QDFKWV DXV VFKRQ ]X %HJLQQ GHV %HDUEHLWXQJV]HLWUDXPV GDXHUQG VLQJHQGHQ ƃ VLQG JHZ|KQOLFK XQYHU NOHLQ XQG VWDUN UFNOlXILJ ,Q GHQ$FKW]LJHU SDDUW *OXW] YRQ %ORW]KHLP %DXHU MDKUHQODJGDV.HUQJHELHWGHVORNDOHQ%UXWEH $PUKHLQ =Z\JDUW 'LH7DWVDFKHGDVV VWDQGV LQ GHU GDPDOV NOHLQSDU]HOOLHUWHQ /DQG ]DKOUHLFKH5HYLHUHQXULQZHQLJHQ-DKUHQEH VFKDIWEHL0HLQLVEHUJ/HQJQDXXQG*UHQFKHQ VHW]WVLQGN|QQWHDXIHLQHQKRKHQ1LFKWEUWHU ZRGLH$UWLQNUDXWUHLFKHQ1LHGHUKHFNHQHQW DQWHLOKLQZHLVHQ ODQJYRQ*UlEHQEUWHWH$QGHU%DKQOLQLHYRQ :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ± 2UQLWKRO%HRE
8 Schwarzkehlchen Männchen-Reviere Paare ohne Junge 6 erfolgreiche Paare
4 Reviere
2
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Abb. 6.%UXWEHVWDQG $Q]DKO5HYLHUH GHV6FKZDU]NHKOFKHQVLQGHU$DUHHEHQHYRQ ELV'XQNHO 3DDUHPLW-XQJHQPLWWHO 3DDUHRKQH-XQJHKHOO XQYHUSDDUWHƃ5HFKWV%OLFNYRP%UKRO]HLQHU%UDFKH PLW6FKZDU]NHKOFKHQ9RUNRPPHQDXIGLH$DUHHEHQH$XIQDKPH-XOL±Number of territories of the European Stonechat in the plain of the Aare 1982–2016. Dark orange = breeding pairs with offspring, oran- ge = pairs without offspring, light orange = unpaired males.
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Reviere 8 QRPPHQ YRU DOOHP LP 5DXP 0HLQLVEHUJ ELV *UHQFKHQ'LH+HFNHQVLQGWHLOZHLVH]XKRFK 4 JHZRUGHQ 'LH NUDXWUHLFKHQ %|VFKXQJHQ DQ GHU VWLOOJHOHJWHQ %DKQVWUHFNH ]ZLVFKHQ %UHQ 0 XQG5WLVFKHLQHQDXFKKHXWHQRFKDOV/HEHQV UDXPJHHLJQHW]XVHLQ9RQELVJDE Abb. 7.$Q]DKO5HYLHUHGHU'RUQJUDVPFNHLQGHU HVKLHUZLHGHU±5HYLHUH $DUHHEHQHYRQ ELV±Number of territo- $OV%HVRQGHUKHLWLPLWLHUWHKLHU]XU%UXW]HLW ries of the Common Whitethroat in the plain of the HLQH'RUQJUDVPFNHLP9ROOJHVDQJSHU Aare 1982–2016. :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ±
2.7. Pirol Oriolus oriolus (V OLHJHQ PHKUHUH %UXWQDFKZHLVH YRU VR DXFK]ZHLMDKUHV]HLWOLFKVSlWH $XJXVW %HVRQGHUH (UVFKZHUQLVVH EHL GHU %HVWDQGVHU *UHQFKHQ Ƃ IWWHUW ]ZHL IOJJH -XQJY|JHO IDVVXQJ ELOGHQ MHZHLOV GLH XPKHUVWUHLIHQGHQ $XJXVW $UFK Ƃ YHUIWWHUW HLQHP XQYHUSDDUWHQYRUMlKULJHQƃXQGƂGLHDQYHU IOJJHQ-XQJYRJHOHLQ*UQHV+HXSIHUGTetti- VFKLHGHQHQ6WHOOHQVLQJHQXQGVR5HYLHUHYRU gonia viridissima WlXVFKHQ *OXW]YRQ%ORW]KHLP %DXHU +LQ]X NRPPW GDVV GLH 6WUHLIJHELHWH UHFKW 2.8. Neuntöter Lanius collurio JURVV VHLQ N|QQHQ ]% NDPHQ ODQJH 1DK UXQJVIOJHYRU'HVKDOEZXUGHQGLHLQGHQ$Q 9RQ ELV OLHJHQIDVWMHGHV-DKUHLQ IDQJVMDKUHQ HUPLWWHOWHQ 5HYLHUH HLQHU 3UIXQJ ]HOQH-XQLXQG-XOLGDWHQYRQXPKHUVWUHLIHQGHQ XQWHU]RJHQ'DV(UJHEQLVZHLFKWQXQWHLOZHLVH ƃ YRU ZREHL HV OHGLJOLFK ]XU NXU]]HL YRQ EHUHLWV SXEOL]LHUWHQ =DKOHQ DE &KULVWHQ WLJHQ %LOGXQJ HLQHV 5HYLHUV NDP ,P VHOEHQ =HLWUDXP EUWHWH GHU 1HXQW|WHU KLQJHJHQ UH 'LH %UXWSOlW]H EHILQGHQ VLFK DQ GHQ *OHLW JHOPlVVLJ LQ GHQ DQJUHQ]HQGHQ :lOGHUQ LQ XIHUQGHU$DUHXQGLQGHQNOHLQHQ:lOGFKHQLP JURVVHQ -XQJZDOGIOlFKHQ 6HLW EUWHQ LQ (LFKKRO]EHL*UHQFKHQXQGLQGHU6WDGWDOOPHQG GHU:LWLZLHGHUMHGHV-DKU1HXQW|WHU &KULVWHQ EHL%HOODFK$QGHQHUZlKQWHQ6WHOOHQVWRFNHQ 9RQ ELVZDUHQHVSUR-DKULP +\EULGSDSSHOQ 6LOEHUZHLGHQ 6WLHOHLFKHQ XQG 0LWWHO ± 5HYLHUH HUUHLFKWHGHU DQGHUH JURVVH /DXEElXPH $P $DUHXIHU EHL %HVWDQGPLW5HYLHUHQHLQHQHUVWHQ+|FKVW $OWUHX XQG /VVOLQJHQ ZXUGHQ DE GHP -DKU VWDQGXQGQDKPGDQQZLHGHUDEJDEHV ]DKOUHLFKH +\EULGSDSSHOQ YRP %LEHU PLW5HYLHUHQHLQQHXHV0D[LPXP $EE Castor fiber EHDUEHLWHW (LQLJH VWDUEHQ LQ GHU 6HLWGHU1HXQW|WHUDOOMlKUOLFKLP*HELHWEUWHW )ROJH DE RGHU ZDUHQ QLFKW PHKU YROOVWlQGLJ EHWUlJWGLHMlKUOLFKH)OXNWXDWLRQLP0LWWHO EHODXEWXQGVRPLWIUGHQ3LUROQLFKWPHKUJH ± HLJQHW9RQ ELVEHWUlJWGHU%UXWEH 9RQGHQLQGHQ-DKUHQHUIDVVWHQWRWDO VWDQGLP0LWWHO ± 5HYLHUH9RUDOOHPLQ 5HYLHUHQVLQG %UXWSDDUHPLW1HVWOLQJHQ -DKUHQPLWQDVVNDOWHU:LWWHUXQJVLQGRIWDXIIDO RGHU)OJJOLQJHQ3DDUHRKQH-XQJHXQG OHQGYLHOHVLQJHQGHXQGUXIHQGH,QGLYLGXHQDQ ƃ5HYLHUH $EE 1HXQW|WHUƃ N|Q ]DKOUHLFKHQ6WHOOHQ]XK|UHQ'HU%UXWEHVWDQG QHQ RIW ZRFKHQODQJ HLQ 5HYLHU YHUWHLGLJHQ KDW ODQJIULVWLJ HWZDV DEJHQRPPHQ 9RQ RKQHGDVVMHPDOVHLQƂ]XVHKHQLVW$OOHUGLQJV ELV ZDUHQHVSUR-DKULP0LWWHO5H NRQQWHQ LQ HLQ]HOQHQ YRQ GLHVHQ YHUPHLQWOL YLHUHXQGYRQ ELV5HYLHUH $EE FKHQ ƃ5HYLHUHQ (QGH -XOL$QIDQJ $XJXVW PDQFKPDO GRFK QRFK %UXWQDFKZHLVH HUEUDFKW ZHUGHQ 6R ZDUHQ LQ ƃ5HYLHUHQ ELV QDFK 0LWWH -XOL DQ PDQFKHQ .RQWUROOWDJHQ 10 Pirol QLFKW HLQPDO GLH PlQQOLFKHQ 5HYLHULQKDEHU 8 ]XVHKHQ$PXQG -XOLJHODQJHQGDQQ EHL5HYLHUHQGRFKQRFK%UXWQDFKZHLVH ]7 6 EOLQGH1HVWOLQJH 'XUFK GHQ %DX GHU $XWREDKQ $ YRQ Reviere 4 =XFKZLOYLD6RORWKXUQXQG/HQJQDXQDFK%LHO 2 ± ZXUGHQ ]DKOUHLFKH %UXWKDELWDWH ]HUVW|UW $QGHUHUVHLWV HQWVWDQGHQ GXUFK +H 0 FNHQSIODQ]XQJHQDXFKZLHGHUQHXH%UXWSOlW]H 'LHDPVWlUNVWHQIUHTXHQWLHUWHQ%UXWSOlW]HEH IDQGHQVLFKELV]XP$XWREDKQEDXHQWODQJGHU Abb. 8.$Q]DKO5HYLHUHGHV3LUROVLQGHU$DUHHEH QH YRQ ELV ± Number of territories of %DKQOLQLH]ZLVFKHQ$UFKXQG/HX]LJHQLQ0D the Eurasian Golden Oriole in the plain of the Aare JHUZLHVHQ+HFNHQXQG9LHKZHLGHQ1DFKGHP 1982–2016. %DXJDEHVKLHUYRQELV NHLQH1HXQ :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ± 2UQLWKRO%HRE
30 Neuntöter Männchen-Reviere 25 Paare ohne Junge erfolgreiche Paare
20
15
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5
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Abb. 9.$Q]DKO5HYLHUHGHV1HXQW|WHUVLQGHU$DUHHEHQHYRQ ELV'XQNHO 3DDUHPLW-XQJHQ PLWWHO 3DDUHRKQH-XQJHKHOO XQYHUSDDUWHƃ5HFKWVHLQHYRP1HXQW|WHUEHVLHGHOWH+HFNHEHL*UHQFKHQ $XIQDKPH0DL±Number of territories of the Red-backed Shrike in the plain of the Aare 1982– 2016. Dark orange = breeding pairs with offspring, orange = pairs without offspring, light orange = un- paired males.
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180 12 Saatkrähe 150 10
120 8
90 6 Paare Kolonien
60 4
30 2
0 0
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30 WHVPLWPHKUHUIROJUHLFKHQ%UXWHQ]XUHFKQHQ Grauammer 25 ,QGHQXQJHGQJWHQXQGDUWHQUHLFKHQ+HXJUDV ZLHVHQ ZLH VLH LP VRORWKXUQLVFKHQ 7HLO GHU 20 $DUHHEHQHJHI|UGHUWZHUGHQLVWGHU%UXWHUIROJ 15 PHLVWHQVHWZDVEHVVHU'LHVH:LHVHQGUIHQLQ
Reviere GHU5HJHOHUVWQDFK0LWWH-XQLJHPlKWZHUGHQ 10 6R EUDFKWHQ EHL 6HO]DFK LQ HLQHU +HX 5 JUDVZLHVHƂHUIROJUHLFK-XQJHDXI 0DKGDP -XOL 'LH$OWY|JHOVXFKHQQDFKGHUHUVWHQ 0 0DKG DQGHUH .XOWXUHQ 5DSV %XQWEUDFKHQ DXIRGHUYHUODVVHQGLH$DUHHEHQHJHJHQ(QGH Abb. 11.$Q]DKO5HYLHUH $Q]DKO6lQJHU GHU*UDX 0DLJDQ]9RQELVXQGJDEHV DPPHULQGHU$DUHHEHQHYRQ ELV±Num- PHKUPDOVHUIROJUHLFKH%UXWHQLQ%XQWEUDFKHQ ber of territories of the Corn Bunting in the plain of 9RQ ELVVDQJHQLQGHUHWZDNP2 the Aare 1982–2016. JURVVHQ6HO]DFKHUZLWLPD[LPDOƃLQ-DK UHQIHKOWHGLH*UDXDPPHUJDQ]ZXUGHQ GDQQEHUUDVFKHQG6lQJHUIHVWJHVWHOOWZREHL IU *UDXDPPHUQ EHVRQGHUV JQVWLJ JHZHVHQ GLH$QVLHGOXQJUHFKWVSlWVWDWWIDQG DP0DL ]XVHLQ+LHUVDQJYRQ ELV DXIHLQHU HUVWPDOV6lQJHUDP0DLDP0DL )OlFKH YRQ ± NP2 HWZD GLH +lOIWH GHV OR XQGDEGHP0DL6lQJHUDOOHVWHWVVLPXO NDOHQ%UXWEHVWDQGV9RQ ELV ZDUHQ WDQJHK|UW,QGHUEULJHQ$DUHHEHQHVWHOOWHLFK KLHU NHLQH *UDXDPPHUQ PHKU XQG VSlWHU QXU NHLQH*UDXDPPHUQIHVW,QIROJHGHUVSl QRFKJHOHJHQWOLFK,QMQJVWHU=HLWZHUGHQGLH WHQ$QVLHGOXQJ XQG GHU KRKHQ =DKO YRQ 6lQ PHLVWHQ 6lQJHU EHL 6HO]DFK IHVWJHVWHOOW ]% JHUQZLUGDQJHQRPPHQGDVVHVVLFKXPGXUFK VDQJHQKLHUYRQELVGHU3R GLH0DKGYHUWULHEHQH9|JHOYRQDXVVHUKDOEGHU SXODWLRQ GHU $DUHHEHQH 6SRUDGLVFK NRPPHQ $DUHHEHQHKDQGHOWH DXFKEHL0HLQLVEHUJ/HQJQDX5WL/HX]LJHQ XQG6RORWKXUQ*UDXDPPHUQYRU %HLJHULQJHU'LFKWHN|QQHQHLQ]HOQHƃ]ZHL 3. Diskussion 5HYLHUH EHVLW]HQ +HJHOEDFK *OXW] YRQ %ORW]KHLP %DXHU 6RVDQJXQG 'LH KLHU EHKDQGHOWHQ %UXWYRJHODUWHQ N|QQHQ EHL6HO]DFKHLQƃDQPHKUHUHQ7DJHQMH PLW GHU .DUWLHUXQJVPHWKRGH QLFKW DOOH JOHLFK ZHLOVDQ]ZHLNQDSSPHQWIHUQWHQ6WHOOHQ JXW HUIDVVW ZHUGHQ V 6GEHFN HW DO 6ROFKH ©'RSSHOUHYLHUHª ZHUGHQ KLHU DOV HLQ (LQHVFKZLHULJ]XHUIDVVHQGH$UWLVWGLH:DFK 5HYLHU JHZHUWHW (EHQVR ZHUGHQ 5HYLHUYHU WHO ZHLO YHUSDDUWH ƃ LQ GHU 5HJHO QLFKW PHKU VFKLHEXQJHQ LQIROJH 0DKG QLFKW EHUFNVLFK VLQJHQGLHƃVLFKRIWLQNXU]HU=HLWYHUVFKLH WLJW 'HU %UXWEHVWDQG ZDU YRQ ELV EHQXQGZHLOLQJXWHQ:DFKWHOMDKUHQQRFKELV PLW ± 6lQJHUQ DP K|FKVWHQ &KULVWHQ LQGHQ-XOLKLQHLQODXIHQGQHXH+lKQHHLQWUHI 'DQDFKQDKPHUUDVFKDEHUKROWHVLFK IHQ %HL OHW]WHUHQ KDQGHOW HV VLFK ZRKO HQW DEHU LQ GHQ 1HXQ]LJHUMDKUHQ ZLHGHU OHLFKW ZHGHU XP$OWY|JHO GLH LP ]HLWLJHQ )UKMDKU 6HLWKHUVFKZDQNWHUDXIWLHIHP1LYHDX ]XHUVW LP 0LWWHOPHHUUDXP EUWHQ XQG VSlWHU XQGZXUGHQNHLQH5HYLHUHJHIXQGHQ LP%LQQHQODQGQRFKPDOV]XEUWHQYHUVXFKHQ $EE 9RQ ELVDOVGLH*UDXDP RGHU XP -XQJY|JHO GLH EHUHLWV LP HUVWHQ /H PHU LQ MHGHP -DKU YRUNDP ZDU GLH MlKUOLFKH EHQVMDKUHLQHQ%UXWYHUVXFKPDFKHQ *OXW]YRQ )OXNWXDWLRQ GHU 6lQJHU KRFK XQG EHWUXJ LP %ORW]KHLPHWDO %DXHUHWDO 'HU 0LWWHO ± HIIHNWLYH %UXWEHVWDQG GUIWH GHVKDOE ZHLW XQ ,QIROJH GHV IUKHQ 6FKQLWW]HLWSXQNWV GHU WHUGHU$Q]DKOGHUVFKODJHQGHQ+lKQHOLHJHQ :LHVHQZHUGHQYLHOH1HVWHUYHUPlKW,Q-DKUHQ .XFNXFNXQG3LUROKDEHQWHLOZHLVHJURVVH5H PLW EHUGXUFKVFKQLWWOLFK KRKHQ 0DL1LHGHU YLHUHXQGVWUHLIHQZHLWXPKHUZDVEHLGHU$XV VFKOlJHQLVWZHJHQGHVYHU]|JHUWHQ*UDVVFKQLW ZHUWXQJGHU%HREDFKWXQJVGDWHQEHUFNVLFKWLJW :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ±
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Abb. 12.$QGHUVHLWVWLOOJHOHJWHQ%DKQOLQLHEHL5WLNDPHQDXINP/lQJHXQWHUDQGHUHP'RUQ JUDVPFNH 5HYLHU XQG1HXQW|WHU 5HYLHUH YRU$XIQDKPH-XOL±At the railway line at Rüti, which had been shut down since 2003, there were six territories of Red-backed Shrike and one territory of Common Whitethroat, on a length of 1 km. :&ඁඋංඌඍൾඇ=HKQ%UXWYRJHODUWHQLQGHU$DUHHEHQH ± 2UQLWKRO%HRE
Abb. 13.,QGLHVHU%XQWEUDFKHEHL6HO]DFKEUWHWHHUIROJUHLFK3DDU*UDXDPPHUQ'HUK|FKVWH3XQNW LP+LQWHUJUXQGLVWGLH+DVHQPDWW P0 OLQNVGDYRQGLH6WDOOIOXHPLWGHU/RFKEDFKVFKOXFKW$XI QDKPH-XQL±In this wildflower fallow near Selzach there was a pair of Corn Bunting successfully breeding in 2015. The highest point in the background is the Hasenmatt (1444 m a.s.l.).
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