Orange River Francolins (Scleroptila levaillantoides) persist in fragmented Highveld farming landscapes, South Africa von van Niekerk, Johann H.

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Vocal behavior of Crested Guineafowl (Guttera edouardi) based on visual and sound playback surveys in the Umhlanga Lagoon Nature Reserve, KwaZulu-Natal province, South Africa von van Niekerk, Johann H.

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Vocal Behaviour of the Red-Crested Korhaan, Lophotis ruficrista, in South Africa von Niekerk, Johann H. van

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Call variation of Crested Francolin (Dendroperdix sephaena) across Africa defies the effects of spatial gradients von Van Niekerk, Johann H., Megía‐Palma, Rodrigo, Forcina, Giovanni

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The role of farm dams in the ecology of spur-winged geese (Plectropterus gambensis) on the Highveld, South Africa von van Niekerk, Johann H.

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Population structure and mating system of the Red-crested Korhaan(Lophotis ruficrista) in South Africa von van Niekerk, Johann H

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Bare-throated spurfowl (Pternistis spp.) males across Africa impress females with bright throat colours during courtship von van Niekerk, Johann H.

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Thermoregulatory function and sexual dimorphism of the throat sack in Helmeted Guineafowl (Numida meleagris) across Africa von Van Niekerk, Johann H., Megía-Palma, Rodrigo, Forcina, Giovanni

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The phylogeny of francolins (Francolinus, Dendroperdix, Peliperdix and Scleroptila) and spurfowls (Pternistis) based on chick plumage (Galliformes: Phasianidae) von van Niekerk, Johann H., Mandiwana-Neudani, Tshifhiwa G.

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Grouping Behaviour and Anti-Predator Responses in the Helmeted Guineafowl Numida meleagris von van Niekerk, Johann H., Forcina, Giovanni, Megía-Palma, Rodrigo

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DAVID LANG'S "the little match girl passion": A CONDUCTOR'S GUIDE von VAN NIEKERK, JOHANN JACOB

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Bird tolerance to humans in open tropical ecosystems von Mikula, Peter, Tomášek, Oldřich, Romportl, Dušan, Aikins, Timothy K., Avendaño, Jorge E., Braimoh-Azaki, Bukola D A, Chaskda, Adams, Cresswell, Will, Cunningham, Susan J., Dale, Svein, Favoretto, Gabriela R., Floyd, Kelvin S., Glover, Hayley, Grim, Tomáš, Henry, Dominic A. W., Holmern, Tomas, Hromada, Martin, Iwajomo, Soladoye B., Lilleyman, Amanda, Magige, Flora J., Martin, Rowan O., de A. Maximiano, Marina F., Nana, Eric D., Ncube, Emmanuel, Ndaimani, Henry, Nelson, Emma, van Niekerk, Johann H., Pienaar, Carina, Piratelli, Augusto J., Pistorius, Penny, Radkovic, Anna, Reynolds, Chevonne, Røskaft, Eivin, Shanungu, Griffin K., Siqueira, Paulo R., Tarakini, Tawanda, Tejeiro-Mahecha, Nattaly, Thompson, Michelle L., Wamiti, Wanyoike, Wilson, Mark, Tye, Donovan R. C., Tye, Nicholas D., Vehtari, Aki, Tryjanowski, Piotr, Weston, Michael A., Blumstein, Daniel T., Albrecht, Tomáš

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The phylogeny of francolins von van Niekerk, Johann H, Mandiwana-Neudani, Tshifhiwa G

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Bird tolerance to humans in open tropical ecosystems von Mikula, Peter, Tomášek, Oldřich, Romportl, Dušan, Aikins, Timothy K., Avendaño, Jorge E., Braimoh-Azaki, Bukola D. A., Chaskda, Adams, Cresswell, Will, Cunningham, Susan J., Dale, Svein, Favoretto, Gabriela R., Floyd, Kelvin S., Glover, Hayley, Grim, Tomáš, Henry, Dominic A. W., Holmern, Tomas, Hromada, Martin, Iwajomo, Soladoye B., Lilleyman, Amanda, Magige, Flora J., Martin, Rowan O., de A. Maximiano, Marina F., Nana, Eric D., Ncube, Emmanuel, Ndaimani, Henry, Nelson, Emma, van Niekerk, Johann H., Pienaar, Carina, Piratelli, Augusto J., Pistorius, Penny, Radkovic, Anna, Reynolds, Chevonne, Røskaft, Eivin, Shanungu, Griffin K., Siqueira, Paulo R., Tarakini, Tawanda, Tejeiro-Mahecha, Nattaly, Thompson, Michelle L., Wamiti, Wanyoike, Wilson, Mark, Tye, Donovan R. C., Tye, Nicholas D., Vehtari, Aki, Tryjanowski, Piotr, Weston, Michael A., Blumstein, Daniel T., Albrecht, Tomáš

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WATER MANAGEMENT SYSTEM von Van Niekerk, Johann, Brunet, Simon

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WATER MANAGEMENT SYSTEM FOR A BUILDING von Van Niekerk, Johann, Brunet, Simon

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WATER MONITORING SYSTEM FOR A BUILDING von VAN NIEKERK, JOHANN, BRUNET, SIMON

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WATER MANAGEMENT SYSTEM von VAN NIEKERK, JOHANN, BRUNET, SIMON

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Method for welding components von van Niekerk, Johann, Hammer, Maik, Grimm, Alexander

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Method for producing a component connection and component connection produced according to the method von Van Niekerk, Johann

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