Black Howler Monkey eating a Cecropia leaf. "Bartje" our resident Black Howler Monkey has discovered the Cecropia tree right next to the veranda
Since he tends to completely ignore us, this provides some good viewing opportunities.
Howler Monkeys eat a lot of leaves, at our place our resident male seems to particularly like Cecropia (Guarumu, Trumpet), But every year when the Pterocarpus (Kaway, Palo de Sangre) is in bud, he goes crazy for this. This feast only last a few days, as soon as the buds unfurl he stops. mature Pterocarpus leaves have a high cyanide content and apparently the buds are palatable for only a short time.
Photographs by Jan Meerman
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