Trends en broedresultaten van roofvogels in Nederland in 2018

RG Bijlsma - De Takkeling, 2019 - natuurtijdschriften.nl
A total of 2675 nest record cards of raptors were submitted in 2018 (Appendix 1, handed in
up to and including 31 December 2018), covering 12 species. The preceding winter was …

Trends en broedresultaten van roofvogels in Nederland in 2013

RG Bijlsma - De Takkeling, 2014 - natuurtijdschriften.nl
A total of 2886 nest record cards of raptors were submitted in 2013 (Appendix 1, handed in
up to and including 26 January 2013), covering 12 species. The preceding winter was …

Trends en broedresultaten van roofvogels in Nederland in 2014

RG Bijlsma - De Takkeling, 2015 - natuurtijdschriften.nl
A total of 2830 nest record cards of raptors were submitted in 2014 (Appendix 1, handed in
up to and including 10 January 2015), covering 12 species. The preceding winter was …

Trends en broedresultaten van roofvogels in Nederland in 2016

RG Bijlsma - De Takkeling, 2017 - natuurtijdschriften.nl
A total of 3143 nest record cards of raptors were submitted in 2016 (Appendix 1, handed in
up to and including 20 February 2017), covering 14 species. The preceding winter was very …

Trends en broedresultaten van roofvogels in Nederland in 2019

RG Bijlsma - De Takkeling, 2020 - natuurtijdschriften.nl
A total of 3118 nest record cards of raptors were submitted in 2019 (Appendix 1, handed in
up to and including 31 December 2019), covering 13 species (plus two more, ie Red Kite …

Trends en broedresultaten van roofvogels in Nederland in 2020

RG Bijlsma - De Takkeling, 2021 - natuurtijdschriften.nl
A total of 3199 nest record cards of raptors were submitted in 2020 (Appendix 1, handed in
up to and including 15 January 2021), covering 14 species (not including Montagu's Harrier …

Broedresultaten en trends van roofvogels in Nederland in 1997

RG Bijlsma - De Takkeling, 1998 - natuurtijdschriften.nl
Over 1997, 2571 nests comprising ten raptor species were located in The Netherlands and
visited at least once during the breeding cycle, No breeding records were received of Black …

Broedresultaten en trends van roofvogels in Nederland in 1996

RG Bijlsma, C de Vries - De Takkeling, 1997 - natuurtijdschriften.nl
In 1996, members of the Dutch Raptor Group located and checked 2382 nests of eleven
raptor species in The Netherlands, mainly distributed in the northern and eastern parts of the …

Broedende roofvogels op het Friese vasteland: verspreiding, talrijkheid, trend en voedselkeus

RG Bijlsma, S Bakker, T van Galen, R Kleefstra… - De …, 2007 - natuurtijdschriften.nl
The province of Friesland, not including the Wadden Sea Islands, covers 3121 km² of land in
the northern Netherlands, mostly flat farmland on clay, peat and sand. The central lake …

Groei van hongerende Wespendieven Pernis apivorus

RG Bijlsma, W van Manen, H Jan Ottens - De Takkeling, 1997 - natuurtijdschriften.nl
Honey Buzzards experienced an extreme shortage of wasps in 1997 (the lowest wasp level
in The Netherlands in at least 25 years), resulting in a dismal breeding season: many pairs …