Henning Heldbjerg

Long‐term declines of European insectivorous bird populations and potential causes

Diana E. Bowler, Henning Heldbjerg, Anthony David Fox et al. · Conservation Biology · 2019 · 323 citations

Life Sciences, Ecology, Zoology +14

Consistent response of bird populations to climate change on two continents

Philip A. Stephens, Lucy R. Mason, Rhys E. Green et al. · Science · 2016 · 289 citations · Full text

Life Sciences, Biology, Ecology +17

Unstructured citizen science data fail to detect long‐term population declines of common birds in Denmark

Johannes Kamp, Steffen Oppel, Henning Heldbjerg et al. · Diversity and Distributions · 2016 · 158 citations · Full text

Life Sciences, Biodiversity Conservation, Ecology +16

Long-term population declines in Danish trans-Saharan migrant birds

Henning Heldbjerg, T Fox · Bird Study · 2008 · 69 citations

Life Sciences, Ecology, Zoology +17

Continuous population declines for specialist farmland birds 1987-2014 in Denmark indicates no halt in biodiversity loss in agricultural habitats

Henning Heldbjerg, Peter Sunde, Anthony David Fox · Bird Conservation International · 2017 · 61 citations

Life Sciences, Biodiversity Conservation, Ecology +17