Eskom and a wildlife conservation group have been working for nearly 25 years to reduce the number of birds killed or maimed by the high-voltage power lines that criss-cross SA.

Regular casualties include several vulnerable or threatened bird species such as cranes, vultures, bustards and migratory waterfowl — heavy-bodied birds with limited manoeuvrability, which makes it difficult for them to take swift evasive action to avoid crashing into power lines...

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