Marie Lochman / Karri (Eucalyptus diversicolor), third tallest tree in the world, Western Australian endemic plant, D'Entrecasteaux National Park, April 2017

Marie Lochman / Wandoo (Eucalyptus wandoo), Western Australian endemic plant, Darling Range, December 2014

Marie Lochman / Wandoo (Eucalyptus wandoo), Western Australian endemic plant, Mt. Yetar - Darling Range, December 2014

Marie Lochman / Salmon Gum (Eucalyptus salmonophloia), Western Australian endemic plant, Dunn Rock Nature Reserve, March 2015

Marie Lochman / Red tingle tree (Eucalyptus jacksonii), Western Australian endemic plant, Walpole-Nornalup National Park, Western Australia.

Marie Lochman / Tree Top Walk - Valley of Giants, tourist attraction - walk in the canopy of Red Tingle giant eucalyptus (Eucalyptus jacksonii) trees, Walpole-Nornalup National Park, south west, Western Australia, Ja...

SCOTLAND: The Big Picture / Creative impression of Silver birch (Betula pendula) foliage, Creagellachie NNR, Cairngorms National Park, Scotland, UK.May

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

Marie Read / Common redpoll (Carduelis flammea), male perched in alder (Alnus rugosa) during a snowstorm in winter, New York, USA, January.

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

Ernie Janes / Bluebells (Hyacinthoides non-scripta) and Beech (Fagus sylvatica) leaves, England, UK, May.

Guy Edwardes / Beech (Fagus sylvatica) woodland canopy in winter, Cranborne Chase, Dorset, England, UK.