Vertebrates

Read more about the article Scavenger crows spread seeds of invasive prickly pear cacti
Figure 1. Field evidence: Empty fruit of O. ficus-indica consumed by Pied crows (A), regurgitated pellets of mixed seeds marked by mixed colours (B&C), and empty O. robusta fruits and faecal sample by smaller birds (F, D & E). (Photo credit: Thabiso Mokotjomela)
2021 / News

Scavenger crows spread seeds of invasive prickly pear cacti

The consumption of alien fruits by birds and dispersal of ingested seeds increase the invasion risk of two cacti species in arid areas of South Africa.

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25 January 2021
Read more about the article Being an efficient dispersal vector in birds
One of the bird species in the study, the red-eyed dove (Streptopelia semitorquata) (Photo credit: Wikimedia Commons, Atamari)
2016 / News

Being an efficient dispersal vector in birds

A recent study by Thabiso Mokotjomela (Research Fellow, University of the Witwatersrand) and colleagues at the C·I·B (core team members Karen Esler & Colleen Downs) found that a few garden birds, such as the red-winged starlings can help the spread of alien invasive plants.

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27 June 2016