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

Marie Read / Blue jay (Cyanocitta cristata) holding an acorn in its bill whilst perched on tree stump, with autumn foliage, New York, USA, October.

Steve Downer / Timelapse of Sycamore tree (Acer pseudoplatanus) leaves developing, UK. March. Controlled conditions.

Jack Dykinga / Western sword fern (Polystichum munitum) and Big leaf maple (Acer macrophyllum) trees that are covered with moss, Hoh Temperate Rainforest, Olympic National Park, Washington, USA. June 2017.

Theo Bosboom / Maple leaf in autumn, viewed from underwater with bubbles and foam of mountain stream, La Hoegne, Ardennes, Belgium.

Andres M. Dominguez / Great grey shrike (Lanius meridionalis) perched on a branch of Montpellier maple (Acer monspessulanum). Sierra de Grazalema Natural Park. southern Spain. December.

Kevin Schafer / Pine (Pinus sp) and Japanese Maple (Acer palmatum) trees in autumn, Ginkakuji Gardens, Kyoto, Japan

Ross Hoddinott / Maple leaves backlit on lightbox, Broxwater, Cornwall, UK. November 2013.

Floris van Breugel / Late fall colors linger among the mossy trees (Acer macrophyllum) in the Hoh Rainforest in Olympic National Park. Washington, USA. November 2012

Floris van Breugel / Emerging spring leaves adorn the mossy trees - Vine Maple (Acer circinatum) and Alder (Alnus rubra) in Mt Baker - Snoqualmie National Forest. Washington. April 2013

Floris van Breugel / Japanese maple (Acer palmatum) leaves floating in a small pond in late autumn in Seattle's Washington Park Arboretum. Washington USA

Pascal Tordeux / Lone Maple (Acer) in a field against cumulo-nimbus and mammatus clouds. Picardy, France, May.