Viswanath Birje has been announced as the winner of the Royal Society of Biology's photography competition, for his image of ants feeding off honeydew excreted by a yellow aphid.
Image source, Viswanath Birje
Birje, who captured the shot in Thane, India, said: "There are many magical events happening in nature around us – I was just being curious and observant.
"The photograph just shows such a situation between the ants, aphid and mites."
The Royal Society of Biology's annual photography competition attracts entries from amateur photographers around the world, with more than 1,600 entries submitted this year for the theme "interconnected".
Runner up: Truong Hoai Vu – Hon Yen marine ecosystem, Phu Yen, VietnamImage source, Truong Hoai Vu
Every year, between May and August, the coral of this rich and diverse ecosystem becomes exposed at low tide.
Alfonso Roldán Losada – Family Quarrel, Córdoba, Spain
Image source, Alfonso Roldán LosadaImage caption, Bee-eaters pictured on a branch. The Southern European breeding bird is easily spotted due to its distinctive brightly coloured feathers.
Henry Harte – The plague, Borana, Kenya
Image source, Henry HarteImage caption, In 2019, Kenya and most of East Africa suffered its worst locust outbreak in 70 years.
Ripan Biswas – The hunt, West Bengal, India
Image source, Ripan Biswas Image caption, A jewel wasp attacking a cockroach.
Wei Fu – Bite for survival, Bangkok, Thailand
Image source, Wei FuImage caption, The tokay gecko bites back despite being held in the coils of the golden tree snake
Chanchal Sur Chowdhury – Spiderman of our body, Missouri, USA
Image source, Chanchal Sur ChowdhuryImage caption, Neutrophil cells (light blue) release web-like structures (yellow) to defend against tuberculosis bacteria (pink).
John Ishide Bulanadi – A tiny gathering, Pampanga, Philippines
Image source, John Ishide BulanadiImage caption, A small group of ants are gathered to enjoy a few drops of syrup on top of a wax apple leaf.
Gu Guanghui – Solar power plan, Zhejiang Province, China
Image source, Gu GuanghuiImage caption, A large group of herons perch upon solar power panels at dusk.Young Photographer of the Year: Roan Jones, Somerset, UKImage source, Roan Jones
The winner of the RSB's Young Photographer of the Year is Roan Jones, aged 15.
Jones captured a tyre being reclaimed by nature in the Vallis forest, Somerset, showing the connection between people and the natural world.
"I felt inspired to take the photo at a local forest in my home town, because this is somewhere I often visit and know there are lots of places of interest."
Runner up: Alice Feng, UKImage source, Alice Feng
The patterns in this image, called Fractals, are of Bacillus subtilis being grown on a dextrose agar plate.
The patterns form depending on the conditions of the bacteria's environment and how bacterial cells move after coming into contact with each other.
Highly commended: Hayden Wood, the watering hole, KenyaImage source, Hayden Wood
A pair of Grévy's zebra drink from a watering hole.
All photos courtesy The Royal Society of Biology