Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum), feeding on wild alpine strawberry (Fragaria vesca), Monmouthshire, Wales, UK. December

Heather Angel / Honey bee (Apis mellifera) forages on pollen in Apple (Malus domestica) flower, collecting pollen in pollen basket. In garden, Surrey, England, UK. May.

Loic Poidevin / Eurasian bullfinch (Pyrrhula pyrrhula) male on a branch feeding on Rowan (Sorbus aucuparia) berries, Leon, Spain, February.

Loic Poidevin / Eurasian bullfinch (Pyrrhula pyrrhula) male on a branch feeding on Rowan (Sorbus aucuparia) berries, Leon, Spain, February.

Nigel Cattlin / Peach leaf curl (Taprina deformans) fungal disease distortion of leaves on a young Peach tree, Berkshire, September.

Nigel Cattlin / Bacterial shot hole (Pseudomonas syringae) affected leaves of laurel, Prunus laurocerasus, in a garden hedge, Berkshire, England, UK. May.

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

John Shaw / Hybrid Poplar tree plantation in autumn (Populs sp.). Boardman Tree Farm, near Irrigon, Oregon, USA. October.

John Shaw / Large leaves on Pacific blackberry (Rubus ursinus) above bracken fern and horsetail, is a small wet area. Oregon, USA. June.

Ross Hoddinott / Hawthorn tree and granite outcrop at Holwell tor, sunrise and mist, Dartmoor National Park, Devon, UK. October 2018.

Marie Read / Baltimore oriole (Icterus galbula) male perched in pear (Pyrus sp.) blossom, eastern redbud in background, New York, USA. May.

Steve Downer / Timelapse of Blackthorn (Prunus spinosa) flowers opening, UK, April.