When in the year were which birds observed?

Bird

01-01

01-08

01-15

01-22

01-29

02-05

02-12

02-19

02-26

03-04

03-11

03-18

03-25

04-01

04-08

04-15

04-22

04-29

05-06

05-13

05-20

05-27

06-03

06-10

06-17

06-24

07-01

07-08

07-15

07-22

07-29

08-05

08-12

08-19

08-26

09-02

09-09

09-16

09-23

09-30

10-07

10-14

10-21

10-28

11-04

11-11

11-18

11-25

12-02

12-09

12-16

12-23

Northern goshawk (Accipiter gentilis)

1/0

Eurasian sparrowhawk (Accipiter nisus)

2/0

1/0

Great reed warbler (Acrocephalus arundinaceus)

0/1

1/1

0/1

0/1 1/1

0/1

0/2

Marsh warbler (Acrocephalus palustris)

1/0

0/1

Sedge warbler (Acrocephalus schoenobaenus)

0/1

1/1

Eurasian reed warbler (Acrocephalus scirpaceus)

0/1

1/1

0/1

1/1

0/2

1/0

0/1

Long-tailed tit (Aegithalos caudatus)

2/1

1/0

0/1

0/2

1/0 0/1

1/0

0/1

Common kingfisher (Alcedo atthis)

1/0

2/0

1/0

0/1

0/2

1/0

Egyptian goose (Alopochen aegyptiaca)

1/0

Eurasian teal (Anas crecca)

1/0

2/0

1/0

Mallard (Anas platyrhynchos)

1/0

2/0

1/1

1/0

2/0

1/0

2/0

1/0

Grey heron (Ardea cinerea)

1/0

2/0

1/0

2/0

1/0

3/0

1/0

2/0

1/0

2/0

1/0

1/0 1/0

1/0

Tufted duck (Aythya fuligula)

1/0

2/0

1/0

2/0

1/0

Great bittern (Botaurus stellaris)

1/0

Barnacle goose (Branta leucopsis)

1/0

Common goldeneye (Bucephala clangula)

1/0

Common buzzard (Buteo buteo)

1/0

1/0 0/1

1/1

1/0

2/0

1/0

1/1

1/0

0/1

1/0

1/1

1/0 1/0

European goldfinch (Carduelis carduelis)

0/1

1/0

1/1

0/1

1/0

1/2

0/1 0/1

1/0

0/1

0/2 0/1

1/1

0/3

0/1 1/0

0/1 2/2

0/1

1/0

0/2 1/0

1/0

2/1

1/0

1/1

0/1

Short-toed treecreeper (Certhia brachydactyla)

1/0

0/1

1/1

1/0

0/1

1/1

0/1

0/2

European greenfinch (Chloris chloris)

1/0

0/1

1/1

0/1

1/1

0/1

1/0

0/1

2/3

0/1 0/1

0/2

0/1

Black-headed gull (Chroicocephalus ridibundus)

1/0

2/0

1/0

1/1

1/0

2/0

1/0

0/1

1/0

1/0 1/0

1/0

White stork (Ciconia ciconia)

1/0

1/1

1/0

Feral pigeon (Columba livia f. domesticus)

1/0

Stock dove (Columba oenas)

1/0

Common wood pigeon (Columba palumbus)

1/0

0/1

Common raven (Corvus corax)

1/0

2/0

1/0

Carrion crow (Corvus corone)

1/0

0/2

0/3

0/1

1/0

0/1 1/0

1/0

1/0 2/1

0/1 1/0

1/0

1/1

1/1 1/0

1/0

Eurasian blue tit (Cyanistes caeruleus)

1/0

2/0

1/0

0/1

1/2

0/1

0/1 0/2

0/2

1/5 0/2

0/4

1/0

0/1

1/0

1/1 0/1

0/1 1/0

0/1

2/0

0/2

2/0

0/1

2/1

2/0

0/1 1/0

0/1

1/0

2/0

3/0

1/0

Mute swan (Cygnus olor)

2/0

1/0

2/0

1/0

Great spotted woodpecker (Dendrocopos major)

1/0

0/1

1/0

0/1

2/0

1/0

0/1

1/0

0/1

0/2

0/1

Lesser spotted woodpecker (Dryobates minor)

1/0

Black woodpecker (Dryocopus martius)

1/0

0/1

Yellowhammer (Emberiza citrinella)

1/0

0/1

0/1 1/0

1/1

1/1 1/0

1/1

0/1

1/0

Common reed bunting (Emberiza schoeniclus)

0/1

0/1 1/0

0/1

1/0

0/1

European robin (Erithacus rubecula)

0/2

1/0

0/2

1/0

0/1

1/1

1/2

1/3

0/1

1/1

0/1

0/2

2/1 0/1

0/1

0/2

0/1

0/1 0/1

0/1

1/0

0/1

0/2

0/3

0/1 1/1

1/1

1/0

0/1

Common kestrel (Falco tinnunculus)

1/0

1/0 1/0

1/1

1/0

1/0 1/0

1/0

2/0

1/0

2/0

1/0

Common chaffinch (Fringilla coelebs)

1/0

2/0

1/0

0/1

1/2

1/1

0/1

1/0

0/1

1/1 1/1

0/1 2/1

1/3

1/1

0/1 1/0

0/1

0/1 0/1

0/1

1/3 0/3

1/3 0/2

2/0

0/1 0/1

0/1

1/0

1/1

1/0

0/1

1/0

Eurasian coot (Fulica atra)

1/0

2/0

1/0

1/1

2/0

0/1

1/0

2/0

1/0

Eurasian jay (Garrulus glandarius)

1/0

0/1

1/1

0/1

1/0

0/1

Eurasian crane (Grus grus)

1/0

Common gull (Larus canus)

1/0

Yellow-footed gull (Larus livens)

1/0

0/1

Common nightingale (Luscinia megarhynchos)

1/1

0/1

1/0 0/1

0/1

Goosander (Mergus merganser)

1/0

0/1

1/0

Red kite (Milvus milvus)

1/1

1/0

1/0 1/0

1/0

0/1

1/0

1/1

1/0

2/0

1/0

0/1

1/0

0/1

White wagtail (Motacilla alba)

2/0

0/1 1/0

1/0

1/1

2/0

1/0

2/0

1/0

2/0

1/0

Spotted flycatcher (Muscicapa striata)

0/1

1/1

0/1

1/1

Spotted nutcracker (Nucifraga caryocatactes)

1/0

Eurasian golden oriole (Oriolus oriolus)

0/1

0/1 0/1

Great tit (Parus major)

1/1

0/2

0/1

0/3

1/1

0/1

0/1 0/1

0/1

1/3 0/1

3/4 0/1

0/4 0/2

1/5

0/3

0/3 0/1

0/2

0/1

1/0

0/1 0/1

1/1 1/1

0/1

2/1 0/1

2/0

0/1

1/0

0/1 0/1

0/1 1/1

0/1

1/1

0/2

0/1

0/1 1/0

0/3

0/3 1/0

1/0

2/0

1/0

House sparrow (Passer domesticus)

1/0

0/1

1/2 1/0

1/1

0/1 1/0

0/1

1/0

1/0 1/0

1/0 2/0

1/0

0/1

1/0

0/1

1/0

Eurasian tree sparrow (Passer montanus)

1/0

2/0

1/0

0/1

1/0

1/1

1/0

2/0

Coal tit (Periparus ater)

1/0

0/2

0/1

0/2 0/1

0/1

1/2 0/1

0/1

0/1 1/0

0/1

Great cormorant (Phalacrocorax carbo)

2/0

1/0

1/1

2/1

1/0

Black redstart (Phoenicurus ochruros)

0/1

1/1

3/3 1/0

2/3

1/2

0/2

0/1

3/0

0/1

0/2

2/0

1/0

0/1

1/0

0/2

1/0

1/1

1/0

Common chiffchaff (Phylloscopus collybita)

0/1 1/1

0/1 1/0

1/0

0/2

2/4

0/1

0/1 0/1

0/1

0/2

1/2

1/1

0/1

Willow warbler (Phylloscopus trochilus)

1/1

0/1 0/1

0/1

Eurasian magpie (Pica pica)

1/0

1/1

0/3

1/0

0/1

0/2

0/1

1/0 1/0

3/0

0/1

1/0

Great crested grebe (Podiceps cristatus)

1/0

1/1

1/0

1/1

1/0

Willow tit (Poecile montanus)

0/1

1/0

0/1

1/1

0/1

Marsh tit (Poecile palustris)

0/1

1/0

0/1

0/2

0/1

1/0

2/2

0/1

1/1

Water rail (Rallus aquaticus)

1/0

Common firecrest (Regulus ignicapilla)

0/1

1/0

Goldcrest (Regulus regulus)

0/2

1/0

0/1

1/0

1/1

0/1

1/2

Whinchat (Saxicola rubetra)

0/1

1/0

1/0 1/0

Stonechat (Saxicola rubicola)

1/0

0/1

1/0

European nuthatch (Sitta europaea)

1/0

0/1

1/0 0/3

0/1 0/1

0/1

1/0

0/1 0/1

0/1

1/0

Northern shoveler (Spatula clypeata)

3/0

1/0

Common tern (Sterna hirundo)

0/1

1/0

Eurasian collared dove (Streptopelia decaocto)

1/0

1/1

1/0

0/1

1/0

Common starling (Sturnus vulgaris)

1/0

1/1

0/1

2/3

2/1 1/0

1/1 1/0

0/1 1/0

1/0

2/0

1/0

0/1

1/0

0/1

1/0

Black cap warbler (Sylvia atricapilla)

0/2

1/0

0/2

0/1 0/1

0/2

3/4 2/1

1/3

0/4 2/2

0/3 0/1

0/1

0/1 0/1

0/2

0/3

0/2 1/2

0/3 0/2

0/2 0/2

1/1

0/1

1/0

0/1 1/0

1/0

Garden warbler (Sylvia borin)

0/1

0/1 0/1

0/1

1/0

Eurasian wren (Troglodytes troglodytes)

1/0

1/2

0/1

1/3

0/1 0/1

0/1

0/1 0/1

0/1

0/1 1/0

0/1 0/1

0/1

Redwing (Turdus iliacus)

1/0

Common blackbird (Turdus merula)

2/0

0/1

1/3

1/1

0/1 0/1

0/1

2/2

1/0

0/4

0/2

0/1 0/1

0/1

1/2

0/2

1/1 1/0

0/1 0/1

0/1

1/2

0/1

1/0

1/1

1/0

0/1

1/0

Song thrush (Turdus philomelos)

0/1

1/1

1/4

0/1

1/1

0/1

0/1 0/1

0/1

1/0

Fieldfare (Turdus pilaris)

2/0

1/0

1/1

0/1

1/0

Mistle thrush (Turdus viscivorus)

1/0

0/1

1/2

1/1

0/1

1/0 1/0

1/0

0/1