Mya-Rose Craig believes that depictions of male and female birds in bird hides in the UK are sexist because the pictures of the male birds are bigger than the pictures of the female birds. She has called out the RSPB to do something about it and they have responded positively and are looking into it.
Two useful tags. Click either to see the articles: Speciesism - 'them and us' | Cruelty - always shameful