Ann Koeslag

Stability in prey abundance may buffer Black Sparrowhawks <i>Accipiter melanoleucus</i> from health impacts of urbanization

Jessleena Suri, Petra Sumasgutner, Éléonore Hellard et al. · Ibis · 2016 · 69 citations · Full text

Wildlife Ecology, Health Impacts, Predator-prey Interaction +9

Phenological shifts assist colonisation of a novel environment in a range‐expanding raptor

Rowan O. Martin, Lovelater Sebele, Ann Koeslag et al. · Oikos · 2014 · 49 citations

Breeding Behavior, Range Shift, Black Sparrowhawks +10

Plumage polymorphism in a newly colonized black sparrowhawk population: classification, temporal stability and inheritance patterns

Arjun Amar, Ann Koeslag, Odette E. Curtis · Journal of Zoology · 2012 · 42 citations · Full text

Biology, Breeding Behavior, Molecular Ecology +14

Differential Haemoparasite Intensity between Black Sparrowhawk (Accipiter melanoleucus) Morphs Suggests an Adaptive Function for Polymorphism

Bonnie R. Lei, Arjun Amar, Ann Koeslag et al. · PLoS ONE · 2013 · 40 citations · Full text

Molecular Evolutionary Ecology, Parasite Resistance, Genetics +20

Clinal variation in the morph ratio of <scp>B</scp>lack <scp>S</scp>parrowhawks <i><scp>A</scp>ccipiter melanoleucus</i> in <scp>S</scp>outh <scp>A</scp>frica and its correlation with environmental variables

Arjun Amar, Ann Koeslag, Gerard Malan et al. · Ibis · 2014 · 37 citations

Breeding Behavior, Genetics, Environmental Variables +22