A well-meant habit with a side effect
Feeding garden birds is popular and good for wildlife, but it is also one of the most common reasons rats turn up in gardens. This article pulls together published advice from the Royal Horticultural Society (RHS) and from councils in England and Scotland: Buckinghamshire and Rushmoor in England, and North Lanarkshire and East Ayrshire in Scotland. These are advice pages, not laws, and councils differ. Northern Ireland and Wales are not covered.
What the RHS says
The RHS notes that rats can become regular visitors at bird feeding stations and that they will take food provided for wild birds, poultry and pets. Its management advice is to discourage rats by removing accessible food sources, such as by keeping bins sealed. When feeding wildlife such as birds, it says, do not let excess food build up, which also helps reduce the risk of spreading wildlife diseases, and removing clutter reduces hiding and nesting places. It also says compost heaps are a place rats may live.
Feeder choice and placement
Buckinghamshire Council advises using a feeder positioned carefully so rodents cannot reach it, and a catch tray so food does not fall onto the ground where rats and mice can access it. It says not to overstock bird tables because rodents can often reach them. East Ayrshire Council gives similar guidance: use a feeder with a tray to prevent seed spilling, and place feeders off the ground and away from branches, fences, sheds, roofs and other objects rats could jump from. It notes that rats, mice and grey squirrels are excellent climbers, and it suggests smearing a feeder pole with petroleum jelly, which is the council’s suggestion rather than something the sources show has been tested.
East Ayrshire also recommends higher quality bird food, because birds sift through mixes and discard the bits they do not like, and those end up on the ground.
Amounts and timing
North Lanarkshire Council notes that rats and mice tend to venture out at night, so it advises clearing bird tables and ground trays each evening and taking down easily reached hanging feeders at night. It suggests a bird table or ground table with only enough food for one day at a time, fed early in the day so food is not left overnight. East Ayrshire gives the same advice about one day’s food and removing leftovers, and clearing waste food on the ground.
Buckinghamshire adds that you should not dump unwanted food waste in the garden, because birds are unlikely to eat it but rats and mice will.
Storage, structures and tidiness
North Lanarkshire says rats will chew through many materials to reach food and recommends strong containers such as galvanised metal bins with secure lids for wild bird seed. It also says a shed or garden structure that can be dug under can be raised on bricks to make it less appealing, and that rats need only a 15 millimetre gap and mice 6 millimetres, so small gaps should be sealed. It advises cutting back overgrown areas, keeping wood and compost piles tidy, removing rubbish and keeping bins and compost secure. It also suggests herbs such as mint or peppermint oil to deter rodents, but that is the council’s suggestion and the sources cited give no evidence for it, so it should not replace proofing and food control.
If you already have rats
Rushmoor Borough Council advises that while there is an active rat infestation you should not put out food for birds or other wildlife, because it provides a food source and means rats avoid pest control treatments. That is a significant difference from routine feeding advice. If rats are already established, the safer approach is to pause feeding while treatment and proofing take place, then restart carefully.
When bird feeding becomes a council matter
East Ayrshire says that if bird feeding causes a nuisance or public health hazard, its Environmental Health Service can ask you to stop feeding the birds. It lists conditions that can lead to complaints, including attracting vermin, attracting birds that nest on roofs, in gutters or under solar panels causing damage, and accumulation of faeces. Buckinghamshire says that if a neighbour is feeding birds and causing problems you should first talk to them, and that if the problem leads to a pest infestation whose source can be pinpointed you can report it to environmental health. These are individual councils’ approaches, so check your own local authority.
The bottom line
You can keep feeding garden birds without inviting rats if you use feeders with catch trays, keep them off the ground and away from climbing routes, put out only a day’s food early in the day, clear leftovers at night, store seed in sealed metal bins and keep the garden tidy. If rats are already established, pause feeding until treatment and proofing are done, and talk to neighbours before involving the council.
Sources
- Royal Horticultural Society, “Rats in the garden: risks and control”
- Buckinghamshire Council, “Feeding birds: advice to avoid nuisance and problems”
- Rushmoor Borough Council, “Rats”
- North Lanarkshire Council, “Bird feeding and avoiding rodents”
- East Ayrshire Council, “Feeding the birds and how to do it safely”