Gabriel Rojo / Monk parakeet (Myiopsitta monachus) perched on a branch of flowering Chanar (Geoffroea decorticans), Calden forest, La Pampa province, Patagonia, Argentina.

Gabriel Rojo / Monk parakeet (Myiopsitta monachus) perched on a branch of flowering Chanar (Geoffroea decorticans), Calden forest, La Pampa province, Patagonia, Argentina.

Gabriel Rojo / Bay-winged cowbird (Agelaioides badius) perched on branch of flowering Chanar (Geoffroea decorticans), Calden forest, La Pampa, Patagonia, Argentina.

Gabriel Rojo / Monk parakeet (Myiopsitta monachus) perched on a branch of flowering Chanar (Geoffroea decorticans), Calden forest, La Pampa province, Patagonia, Argentina.

Gabriel Rojo / Blue and yellow tanager (Thraupis bonariensis), perched on a branch of flowering Chanar (Geoffroea decorticans), Calden Forest, La Pampa, Patagonia, Argentina.

Nigel Cattlin / Harvestman (Phalangium opilio) female on cultivated Blackberry (Rubus sp) fruit, this predator serves as a biological control species. Berkshire, England, UK. August.

Alex Hyde / Harvestman (Mitopus morio) male. Norfolk Broads, UK, September.

Alex Hyde / Harvestman (Mitopus morio) male hunting on nettle leaves. Strumpshaw Fen, Norfolk, UK, September.

Nick Upton / Female Saddleback harvestman (Mitopus morio) walking on dunes in coastal heathland, Studland Heath, Dorset, UK, July.

Nick Upton / Female Saddleback harvestman (Mitopus morio) walking on dunes in coastal heathland, Studland Heath, Dorset, UK, July.

Lorraine Bennery / Harvestman (Phalangium opilio), Luberon Regional Natural Park, France, September.

Rod Williams / Harvestman (Phalangium opilio) Brockley Cemetery, Lewisham, London, UK. September

Nick Upton / Female Harvestman (Mitopus morio) sunning on Woolly thistle (Cirsium eriophorum) leaves in a chalk grassland meadow, Wiltshire, UK, July.

Nick Upton / Close up of a Female Harvestman (Mitopus morio) in meadow, Wiltshire, UK, July.

Nick Upton / Female Harvestman (Mitopus morio) sunning on a Woolly thistle (Cirsium eriophorum) flowerhead in a chalk grassland meadow, Wiltshire, UK, July.

Pascal Pittorino / Common harvestman (Phalangium opilio) resting on a rock covered by lichen, Alpes de Haute Provence, France, October

Alex Hyde / Harvestman (Mitopus morio) female. Strumpshaw Fen, Norfolk, UK, September.

Alex Hyde / Wandering harvestman (Mitopus morio) Peak District National Park, Derbyshire, UK. June.

Rod Williams / Common Harvestman (Phalangium opilio) Lewisham, London, September

Rod Williams / Common Harvestman (Phalangium opilio) On bramble Lewisham, London, September

Paul Harcourt Davies / Harvestman in silhouette (Phalangium opilio) in garden, Podere Montecuco, near Orvieto. Umbria, Italy, July

Sandra Bartocha / Harvestman (Phalangium opilio) on leaf, November

Solvin Zankl / Immature Harvestman (Phalangium opilio) in leafy habitat, Germany

Premaphotos / Harvestman (Phalangium opilio) female with phoretic mites UK.

Premaphotos / Common harvestman (Phalangium opilio) male on Knapweed flower, UK

Premaphotos / Female Common harvestman (Phalangium opilio) covered in Red phoretic mites, UK

Roman Willi / Harvestman (Phalangium opilio) portrait, Lucerne, Switzerland. June. Focus stacked.

Robert Pickett / Harvestman (Phalangium opilio), UK.

Robert Pickett / Harvestman (Phalangium opilio), UK.