Wildlife Photographer of the Year: best nature photography.
until Sun 11 Jul
Natural History Museum
£17–21
Animals in London tomorrow
Animals in London tomorrow, Saturday 31 October: 15 events, among them 7 in exhibitions and museums, 4 in kids and family, 2 in festivals and street parties, 1 in concerts and 1 in workshops and courses.
Jambs Owls Experience: meet live owls and hold one yourself.
until Sun 1 Nov | 10:00
Hall Place and Gardens
£4
Halloween dog show at the Morgan Arms: best in show wins.
Sat 31 Oct | 12:00
The Morgan Arms
£5
Howl-O-Ween: dog costume contest with treats and prizes.
Sat 31 Oct | 13:00
King William IV
Garefowl: strings and electronics live.
Sat 31 Oct | 19:30
Stone Nest
£15–17.50
Award-winning British wildlife photography.
until Sun 21 Feb
Horniman Museum
Free
British Wildlife Photography Awards exhibition.
until Sun 21 Feb
Horniman Museum and Gardens
Free
OMD's Halloween Festival: pumpkins, magic and rides.
until Sun 1 Nov
Old MacDonald's Farm Park
£18.27–22
October half term: bug crafts, stories and science shows.
until Sun 1 Nov
National Maritime Museum
Free
The Baa-Ewe Tapestry: a knitted tribute to Shaun the Sheep.
until Sun 1 Nov
Natural History Museum
Free
Kendra Haste: wire sculptures of animals.
Sat 31 Oct
Beaux Arts
Sea Life: marine life exhibition by Art4u2, family-friendly.
until Mon 11 Jan
Half Moon Theatre
Free
Low Life: Derrick Guild and Katrin Moye on animal instincts.
until Sat 14 Nov
James Freeman Gallery
Not So Spooky Halloween for little ones.
until Sun 1 Nov
Battersea Park Children's Zoo
Free
Octonauts: Adventure at the Horniman, free family trail.
until Sun 1 Nov
Horniman Museum and Gardens
£9.80