- Asymmetric competition for nectar between a large nectar thief and a small pollinator: an energetic point of view2017 | Přírodovědecká fakulta
- Food niche differentiation in two syntopic sunbird species: a case study from the Cameroon Mountains2011 | Přírodovědecká fakulta
- Food selection by avian floral visitors: an important aspect of plant-flower visitor interactions in West Africa2012 | Přírodovědecká fakulta
