Maart 1990
| jaar | 1990 | ||
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 70 | Dodaars | 2 | |
| 90 | Fuut | 12 | |
| 950 | Roerdomp | 2 | |
| 1220 | Blauwe Reiger | 26 | |
| 1520 | Knobbelzwaan | 5 | |
| 1700 | Nijlgans | 11 | |
| 1730 | Bergeend | 2 | |
| 1820 | Krakeend | 20 | |
| 1840 | Wintertaling | 62 | |
| 1860 | Wilde Eend | 162 | |
| 1940 | Slobeend | 41 | |
| 1980 | Tafeleend | 36 | |
| 2030 | Kuifeend | 64 | |
| 2690 | Sperwer | 1 | |
| 2870 | Buizerd | 2 | |
| 3040 | Torenvalk | 1 | |
| 3940 | Fazant | 28 | |
| 4070 | Waterral | 6 | |
| 4240 | Waterhoen | 64 | |
| 4290 | Meerkoet | 287 | |
| 4850 | Goudplevier | 10 | |
| 5290 | Houtsnip | 5 | |
| 5530 | Witgat | 1 | |
| 5820 | Kokmeeuw | 21 | 18 |
| 5900 | Stormmeeuw | 4 | |
| Berkheide | |||
| t.p. | ov. | ||
| 6700 | Houtduif | 388 | |
| 6840 | Turkse Tortel | 2 | |
| 8310 | Ijsvogel | 1 | |
| 8560 | Groene Specht | 4 | |
| 8760 | Grote Bonte Specht | 2 | |
| 10110 | Graspieper | 19 | |
| 10660 | Winterkoning | 88 | |
| 10840 | Heggenmus | 53 | |
| 10990 | Roodborst | 38 | |
| 11390 | Roodborsttapuit | 1 | |
| 11870 | Merel | 150 | |
| 11980 | Kramsvogel | 41 | 3 |
| 12000 | Zanglijster | 9 | |
| 12010 | Koperwiek | 46 | |
| 13110 | Tjiftjaf | 1 | |
| 13140 | Goudhaan | 59 | |
| 13150 | Vuurgoudhaan | 3 | |
| 14370 | Staartmees | 23 | |
| 14400 | Glanskop | 4 | |
| 14620 | Pimpelmees | 62 | |
| 14640 | Koolmees | 108 | |
| 14790 | Boomklever | 2 | |
| 14890 | Boomkruiper | 9 | |
| Berkheide | |||
| t.p. | ov. | ||
| 15390 | Gaai | 20 | |
| 15490 | Ekster | 163 | |
| 15600 | Kauw | 56 | |
| 15671 | Zwarte Kraai | 60 | |
| 15820 | Spreeuw | 37 | |
| 15910 | Huismus | 82 | |
| 15980 | Ringmus | 16 | |
| 16360 | Vink | 37 | |
| 16380 | Keep | 2 | |
| 16490 | Groenling | 4 | |
| 16530 | Putter | 8 | |
| 16540 | Sijs | 10 | |
| 16600 | Kneu | 1 | 2 |
| 18570 | Geelgors | 1 | |
| 18770 | Rietgors | 1 | |
Februari 1990
| jaar | 1990 | ||
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 70 | Dodaars | 6 | |
| 90 | Fuut | 52 | |
| 720 | Aalscholver | 4 | 1 |
| 1220 | Blauwe Reiger | 17 | |
| 1520 | Knobbelzwaan | 3 | |
| 1540 | Wilde Zwaan | 4 | |
| 1700 | Nijlgans | 14 | |
| 1730 | Bergeend | 21 | |
| 1820 | Krakeend | 24 | |
| 1840 | Wintertaling | 21 | |
| 1860 | Wilde Eend | 96 | |
| 1940 | Slobeend | 18 | |
| 1980 | Tafeleend | 18 | |
| 2030 | Kuifeend | 172 | |
| 2200 | Nonnetje | 1 | |
| 2230 | Grote Zaagbek | 11 | |
| 2690 | Sperwer | 2 | |
| 3040 | Torenvalk | 4 | |
| 3940 | Fazant | 21 | |
| 4070 | Waterral | 4 | |
| 4240 | Waterhoen | 97 | |
| 4290 | Meerkoet | 480 | |
| 4500 | Scholekster | 4 | 1 |
| 5190 | Watersnip | 1 | |
| 5290 | Houtsnip | 7 | |
| 5410 | Wulp | 10 | 12 |
| Berkheide | |||
| t.p. | ov. | ||
| 5820 | Kokmeeuw | 6 | |
| 5900 | Stormmeeuw | 6 | |
| 5910 | Kleine Mantelmeeuw | 1 | |
| 5920 | Zilvermeeuw | 2 | |
| 6340 | Zeekoet | 1 | |
| 6680 | Holenduif | 2 | |
| 6700 | Houtduif | 127 | |
| 8310 | Ijsvogel | 1 | |
| 8560 | Groene Specht | 13 | |
| 8760 | Grote Bonte Specht | 5 | |
| 9760 | Veldleeuwerik | 8 | |
| 10110 | Graspieper | 23 | |
| 10660 | Winterkoning | 95 | |
| 10840 | Heggenmus | 82 | |
| 10990 | Roodborst | 39 | |
| 11390 | Roodborsttapuit | 1 | |
| 11870 | Merel | 142 | |
| 12000 | Zanglijster | 11 | |
| 12010 | Koperwiek | 57 | |
| 12020 | Grote Lijster | 2 | |
| 13140 | Goudhaan | 31 | |
| 13640 | Baardman | 1 | |
| 14370 | Staartmees | 1 | |
| 14400 | Glanskop | 8 | |
| 14620 | Pimpelmees | 70 | |
| 14640 | Koolmees | 170 | |
| Berkheide | |||
| t.p. | ov. | ||
| 14890 | Boomkruiper | 9 | |
| 15390 | Gaai | 18 | |
| 15490 | Ekster | 318 | |
| 15600 | Kauw | 103 | |
| 15671 | Zwarte Kraai | 53 | |
| 15820 | Spreeuw | 19 | |
| 15910 | Huismus | 91 | |
| 15980 | Ringmus | 3 | |
| 16360 | Vink | 12 | |
| 16490 | Groenling | 9 | |
| 16540 | Sijs | 2 | |
| 16620 | Frater | 3 | |
| 18770 | Rietgors | 6 | |
| 70400 | Vos | 1 | |
Januari 1990
| jaar | 1990 | ||
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 70 | Dodaars | 2 | |
| 90 | Fuut | 12 | |
| 950 | Roerdomp | 2 | |
| 1220 | Blauwe Reiger | 26 | |
| 1520 | Knobbelzwaan | 5 | |
| 1700 | Nijlgans | 11 | |
| 1730 | Bergeend | 2 | |
| 1820 | Krakeend | 20 | |
| 1840 | Wintertaling | 62 | |
| 1860 | Wilde Eend | 162 | |
| 1940 | Slobeend | 41 | |
| 1980 | Tafeleend | 36 | |
| 2030 | Kuifeend | 64 | |
| 2690 | Sperwer | 1 | |
| 2870 | Buizerd | 2 | |
| 3040 | Torenvalk | 1 | |
| 3940 | Fazant | 28 | |
| 4070 | Waterral | 6 | |
| 4240 | Waterhoen | 64 | |
| 4290 | Meerkoet | 287 | |
| 4850 | Goudplevier | 10 | |
| 5290 | Houtsnip | 5 | |
| 5530 | Witgat | 1 | |
| 5820 | Kokmeeuw | 21 | 18 |
| 5900 | Stormmeeuw | 4 | |
| Berkheide | |||
| t.p. | ov. | ||
| 6700 | Houtduif | 388 | |
| 6840 | Turkse Tortel | 2 | |
| 8310 | Ijsvogel | 1 | |
| 8560 | Groene Specht | 4 | |
| 8760 | Grote Bonte Specht | 2 | |
| 10110 | Graspieper | 19 | |
| 10660 | Winterkoning | 88 | |
| 10840 | Heggenmus | 53 | |
| 10990 | Roodborst | 38 | |
| 11390 | Roodborsttapuit | 1 | |
| 11870 | Merel | 150 | |
| 11980 | Kramsvogel | 41 | 3 |
| 12000 | Zanglijster | 9 | |
| 12010 | Koperwiek | 46 | |
| 13110 | Tjiftjaf | 1 | |
| 13140 | Goudhaan | 59 | |
| 13150 | Vuurgoudhaan | 3 | |
| 14370 | Staartmees | 23 | |
| 14400 | Glanskop | 4 | |
| 14620 | Pimpelmees | 62 | |
| 14640 | Koolmees | 108 | |
| 14790 | Boomklever | 2 | |
| 14890 | Boomkruiper | 9 | |
| 15390 | Gaai | 20 | |
| 15490 | Ekster | 163 | |
| 15600 | Kauw | 56 | |
| 15671 | Zwarte Kraai | 60 | |
| Berkheide | |||
| t.p. | ov. | ||
| 15820 | Spreeuw | 37 | |
| 15910 | Huismus | 82 | |
| 15980 | Ringmus | 16 | |
| 16360 | Vink | 37 | |
| 16380 | Keep | 2 | |
| 16490 | Groenling | 4 | |
| 16530 | Putter | 8 | |
| 16540 | Sijs | 10 | |
| 16600 | Kneu | 1 | 2 |
| 18570 | Geelgors | 1 | |
| 18770 | Rietgors | 1 | |
December 1989
| jaar | 1989 | ||
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 70 | Dodaars | 2 | |
| 90 | Fuut | 8 | |
| 720 | Aalscholver | 4 | 5 |
| 950 | Roerdomp | 2 | |
| 1220 | Blauwe Reiger | 32 | |
| 1590 | Kolgans | 38 | |
| 1680 | Rotgans | 1 | |
| 1700 | Nijlgans | 6 | |
| 1730 | Bergeend | 4 | |
| 1820 | Krakeend | 102 | |
| 1840 | Wintertaling | 143 | |
| 1860 | Wilde Eend | 101 | |
| 1940 | Slobeend | 86 | |
| 1980 | Tafeleend | 47 | |
| 2030 | Kuifeend | 56 | |
| 2230 | Grote Zaagbek | 5 | |
| 2690 | Sperwer | 6 | |
| 2870 | Buizerd | 1 | |
| 3040 | Torenvalk | 3 | |
| 3940 | Fazant | 2 | |
| 4070 | Waterral | 3 | |
| 4240 | Waterhoen | 73 | |
| 4290 | Meerkoet | 313 | |
| 5190 | Watersnip | 5 | |
| 5290 | Houtsnip | 6 | |
| 5530 | Witgat | 1 | |
| Berkheide | |||
| t.p. | ov. | ||
| 5820 | Kokmeeuw | 28 | |
| 5900 | Stormmeeuw | 4 | |
| 5920 | Zilvermeeuw | 3 | |
| 6680 | Holenduif | 3 | 2 |
| 6700 | Houtduif | 318 | |
| 6840 | Turkse Tortel | 2 | |
| 8560 | Groene Specht | 4 | |
| 9760 | Veldleeuwerik | 3 | |
| 10110 | Graspieper | 24 | 5 |
| 10660 | Winterkoning | 78 | |
| 10840 | Heggenmus | 66 | |
| 10990 | Roodborst | 38 | |
| 11870 | Merel | 115 | |
| 11980 | Kramsvogel | 25 | 4 |
| 12000 | Zanglijster | 16 | |
| 12010 | Koperwiek | 76 | |
| 12770 | Zwartkop | 2 | |
| 13110 | Tjiftjaf | 1 | |
| 13140 | Goudhaan | 58 | |
| 13640 | Baardman | 1 | |
| 14370 | Staartmees | 11 | |
| 14400 | Glanskop | 4 | |
| 14610 | Zwarte Mees | 1 | |
| 14620 | Pimpelmees | 63 | |
| 14640 | Koolmees | 102 | |
| 14890 | Boomkruiper | 9 | |
| Berkheide | |||
| t.p. | ov. | ||
| 15390 | Gaai | 23 | |
| 15490 | Ekster | 163 | |
| 15600 | Kauw | 17 | |
| 15671 | Zwarte Kraai | 57 | |
| 15820 | Spreeuw | 189 | 75 |
| 15910 | Huismus | 55 | |
| 15980 | Ringmus | 11 | |
| 16360 | Vink | 36 | 5 |
| 16490 | Groenling | 8 | |
| 16530 | Putter | 6 | |
| 16600 | Kneu | 11 | |
| 16620 | Frater | 4 | |
November 1989
| jaar | 1989 | m | |
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 20 | Roodkeelduiker | 1 | |
| 70 | Dodaars | 8 | |
| 90 | Fuut | 8 | |
| 110 | Kuifduiker | 1 | |
| 720 | Aalscholver | 59 | 40 |
| 1220 | Blauwe Reiger | 35 | |
| 1520 | Knobbelzwaan | 2 | |
| 1540 | Wilde Zwaan | 35 | |
| 1570 | Rietgans Species | 23 | |
| 1590 | Kolgans | 60 | |
| 1610 | Grauwe Gans | 320 | |
| 1670 | Brandgans | 1 | |
| 1700 | Nijlgans | 4 | |
| 1730 | Bergeend | 3 | |
| 1790 | Smient | 1 | |
| 1820 | Krakeend | 50 | |
| 1840 | Wintertaling | 115 | |
| 1860 | Wilde Eend | 109 | |
| 1890 | Pijlstaart | 2 | |
| 1940 | Slobeend | 19 | |
| 1980 | Tafeleend | 67 | |
| 2030 | Kuifeend | 71 | |
| 2690 | Sperwer | 9 | |
| 2870 | Buizerd | 3 | |
| 3040 | Torenvalk | 5 | |
| Berkheide | |||
| t.p. | ov. | ||
| 3940 | Fazant | 22 | |
| 4070 | Waterral | 21 | |
| 4240 | Waterhoen | 108 | |
| 4290 | Meerkoet | 191 | |
| 4500 | Scholekster | 2 | |
| 4930 | Kievit | 48 | |
| 5190 | Watersnip | 46 | 25 |
| 5290 | Houtsnip | 6 | |
| 5410 | Wulp | 2 | |
| 5530 | Witgat | 5 | |
| 5560 | Oeverloper | 1 | |
| 5820 | Kokmeeuw | 330 | |
| 5900 | Stormmeeuw | 25 | |
| 5920 | Zilvermeeuw | 12 | |
| 6000 | Grote Mantelmeeuw | 1 | |
| 6680 | Holenduif | 4 | 12 |
| 6700 | Houtduif | 205 | 106 |
| 6840 | Turkse Tortel | 1 | |
| 8310 | Ijsvogel | 1 | |
| 8560 | Groene Specht | 19 | |
| 8760 | Grote Bonte Specht | 5 | |
| 9720 | Kuifleeuwerik | 1 | |
| 9740 | Boomleeuwerik | 8 | |
| 9760 | Veldleeuwerik | 1 | 170 |
| 10110 | Graspieper | 29 | 16 |
| 10200 | Witte Kwikstaart | 1 | |
| 10660 | Winterkoning | 112 | |
| 10840 | Heggenmus | 111 | |
| 10990 | Roodborst | 279 | |
| Berkheide | |||
| t.p. | ov. | ||
| 11870 | Merel | 290 | |
| 11980 | Kramsvogel | 49 | 480 |
| 12000 | Zanglijster | 39 | 20 |
| 12010 | Koperwiek | 326 | 160 |
| 12020 | Grote Lijster | 2 | 10 |
| 13110 | Tjiftjaf | 3 | |
| 13140 | Goudhaan | 131 | |
| 13640 | Baardman | 4 | |
| 14370 | Staartmees | 9 | |
| 14400 | Glanskop | 9 | |
| 14610 | Zwarte Mees | 23 | |
| 14620 | Pimpelmees | 75 | |
| 14640 | Koolmees | 127 | 12 |
| 14790 | Boomklever | 3 | |
| 14890 | Boomkruiper | 9 | |
| 15390 | Gaai | 20 | |
| 15490 | Ekster | 203 | |
| 15600 | Kauw | 128 | 180 |
| 15630 | Roek | 40 | |
| 15671 | Zwarte Kraai | 80 | |
| 15820 | Spreeuw | 1020 | |
| 15910 | Huismus | 55 | |
| 15980 | Ringmus | 35 | |
| Berkheide | |||
| t.p. | ov. | ||
| 16360 | Vink | 70 | 200 |
| 16380 | Keep | 10 | 40 |
| 16490 | Groenling | 16 | 1 |
| 16530 | Putter | 19 | |
| 16540 | Sijs | 8 | 5 |
| 16600 | Kneu | 19 | |
| 16620 | Frater | 1 | 6 |
| 16660 | Kruisbek | 1 | |
| 18570 | Geelgors | 2 | |
| 18770 | Rietgors | 79 | 160 |
| 70400 | Vos | 3 | |
Oktober 1989
| jaar | 1989 | ||
| t.p.=terplaatse, ov=overvliegend | |||
| Berkheide | |||
| t.p. | ov. | ||
| 70 | Dodaars | 7 | |
| 90 | Fuut | 11 | |
| 720 | Aalscholver | 17 | 17 |
| 1220 | Blauwe Reiger | 26 | |
| 1570 | Rietgans Species | 2 | |
| 1700 | Nijlgans | 4 | |
| 1730 | Bergeend | 22 | |
| 1820 | Krakeend | 92 | |
| 1840 | Wintertaling | 148 | |
| 1860 | Wilde Eend | 93 | |
| 1940 | Slobeend | 49 | |
| 1980 | Tafeleend | 53 | |
| 2030 | Kuifeend | 60 | |
| 2690 | Sperwer | 3 | |
| 2870 | Buizerd | 1 | |
| 3040 | Torenvalk | 3 | |
| 3940 | Fazant | 28 | |
| 4070 | Waterral | 11 | |
| 4240 | Waterhoen | 81 | |
| 4290 | Meerkoet | 110 | |
| 4930 | Kievit | 3 | 15 |
| 5190 | Watersnip | 21 | |
| 5290 | Houtsnip | 1 | |
| 5410 | Wulp | 1 | |
| 5530 | Witgat | 9 | |
| Berkheide | |||
| t.p. | ov. | ||
| 5820 | Kokmeeuw | 36 | 27 |
| 5900 | Stormmeeuw | 1 | 1 |
| 5920 | Zilvermeeuw | 20 | |
| 6680 | Holenduif | 1 | 6 |
| 6700 | Houtduif | 222 | |
| 6840 | Turkse Tortel | 1 | 4 |
| 7610 | Bosuil | 1 | |
| 8310 | Ijsvogel | 1 | |
| 8560 | Groene Specht | 9 | |
| 8630 | Zwarte Specht | 2 | |
| 8760 | Grote Bonte Specht | 8 | |
| 9740 | Boomleeuwerik | 2 | |
| 9760 | Veldleeuwerik | 12 | 30 |
| 9920 | Boerenzwaluw | 6 | |
| 10110 | Graspieper | 115 | 50 |
| 10141 | Waterpieper | 1 | |
| 10190 | Grote Gele Kwikstaart | 1 | 3 |
| 10200 | Witte Kwikstaart | 2 | 15 |
| 10660 | Winterkoning | 111 | |
| 10840 | Heggenmus | 141 | |
| 10990 | Roodborst | 157 | |
| 11370 | Paapje | 3 | |
| 11390 | Roodborsttapuit | 12 | |
| 11860 | Beflijster | 4 | |
| 11870 | Merel | 182 | |
| 11980 | Kramsvogel | 273 | 200 |
| 12000 | Zanglijster | 93 | 120 |
| 12010 | Koperwiek | 2020 | 2200 |
| 12020 | Grote Lijster | 3 | 3 |
| Berkheide | |||
| t.p. | ov. | ||
| 12770 | Zwartkop | 3 | |
| 13110 | Tjiftjaf | 1 | |
| 13120 | Fitis | 2 | |
| 13140 | Goudhaan | 129 | |
| 13150 | Vuurgoudhaan | 5 | |
| 13640 | Baardman | 15 | |
| 14400 | Glanskop | 8 | |
| 14610 | Zwarte Mees | 53 | |
| 14620 | Pimpelmees | 95 | |
| 14640 | Koolmees | 180 | |
| 14890 | Boomkruiper | 10 | |
| 15390 | Gaai | 36 | |
| 15490 | Ekster | 176 | |
| 15600 | Kauw | 128 | |
| 15671 | Zwarte Kraai | 82 | |
| 15820 | Spreeuw | 10500 | |
| 15910 | Huismus | 59 | |
| 15980 | Ringmus | 34 | 10 |
| 16360 | Vink | 64 | 20 |
| 16380 | Keep | 9 | 20 |
| 16490 | Groenling | 10 | 5 |
| 16530 | Putter | 6 | 2 |
| 16540 | Sijs | 34 | 20 |
| 16600 | Kneu | 16 | 45 |
| 17100 | Goudvink | 1 | |
| 18470 | IJsgors | 1 | 1 |
| 18770 | Rietgors | 17 | 30 |
| 70140 | Eekhoorn | 1 | |
| 70400 | Vos | 1 | |
