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Why do bees go after bird seed and not just flowers or nectar

By Erick Updated 6 min read

On this page (8 sections)
  1. The short version
  2. Why bees are attracted to bird seed
  3. Do bees eat bird seed or only contaminants
  4. How to keep bees from dominating bird feeders
  5. What bird seed components attract bees
  6. Why would bees go after bird seed instead of flowers or nectar
  7. How to reduce bee attraction without harming them
  8. Questions people still ask

In short: Bees go after bird seed mainly because many seed mixes have sugary coatings or oily seeds like sunflower. These provide energy-rich nectar substitutes in places or seasons when flowers are scarce. Bees do eat these but prefer nectar when available.

Part of our guide on pigeon proof bird feeders

This article reveals the surprising reasons bees target bird seed, explaining what draws them beyond flowers.

At a glance
Sugary coatingoften present
Sunflower seed oilattracts bees
Bee preferencenectar over seed
Seed mix moisturedraws bees
Bee-proof feedersreduce visits

The short version

  • Sugary coatings on bird seed attract bees as an energy source.
  • Oily seeds like sunflower provide fats and proteins bees consume.
  • Bees eat bird seed, not just contaminants around it.
  • Cover bird feeders or use bee-proof feeders to limit bee access.
  • Understanding why helps manage feeders without harming bees or birds.

Why bees are attracted to bird seed

Bird seed mixes often contain ingredients that appeal to bees beyond what birds eat. Many commercial bird seeds include sugary coatings or lubricants to preserve freshness or enhance appeal. These sugars mimic the nectar bees normally seek.

Oily seeds such as sunflower seeds are rich in fats and proteins. Bees consume these nutrients especially when flower nectar is limited. The oils provide an energy-dense resource that supplements their natural diet.

Moisture in seed trays, especially if seeds become damp, ferments slightly or releases sugars. This moisture and scent attract bees who search for sweet liquids. Seed debris around feeders also draws bees.

Bees follow scent trails to any sugary or oily source. Bird seed feeders become such hotspots when flowers are not blooming or weather limits nectar availability. We go through what to feed an injured pigeon step by step elsewhere on the site.

Do bees eat bird seed or only contaminants

bee feeding on oily sunflower seeds
bee feeding on oily sunflower seeds

Bees do consume bird seed components, not just contaminants. They can digest oily seeds like sunflower and sometimes smaller grains. The fats and proteins are valuable nutrients.

Bird seed debris and spilled seeds provide a more accessible food source for bees on the ground. This includes broken seed shells and dust. They gather these materials alongside nectar substitutes.

In some cases, bees might consume fungal growth or fermenting sugars on damp seeds, but this is less common. Their preference leans toward direct seed consumption if the seeds are oily or coated. If that sounds like your situation, read up on 40 pound seed for birds next.

Some beekeepers report bees actively collecting seed oils, confirming they incorporate these nutrients in their diet alongside nectar and pollen.

How to keep bees from dominating bird feeders

Cover bird seed feeders with fine mesh or bee-proof guards. Mesh holes of about 5-6 mm block bees but allow birds to feed freely. This prevents most bee access without disturbing birds.

Feed birds with seed mixes lacking sugary coatings or oily seeds that attract bees. Plain hulled seeds reduce bee interest significantly. Avoid seed blends with added sugars or artificial coatings. It helps to understand suet cake birds won't eat before going further.

Place feeders in sunny, breezy spots. Bees prefer shelter and warm, fragrant areas. Moving feeders away from flowering plants also helps. Clean spilled seed promptly to reduce ground feeding opportunities.

Refill feeders less frequently in wet or humid weather. Moist conditions increase fermentation and scent release, which attract bees. Also, using seed trays with drainage prevents seed dampness.

  1. Choose seed without sugar coatings or oily sunflower varieties.
  2. Install fine mesh guard around feeder, 5-6 mm openings.
  3. Place feeder in sunny, breezy location away from flowers.
  4. Clean seed spills daily to avoid ground feeding by bees.
  5. Use seed trays with drainage to keep seeds dry.

What bird seed components attract bees

close up of bee extracting oil from seed
close up of bee extracting oil from seed

Sugars added to seed mixes during processing are a primary attractant. These may include dextrose or molasses, which bees seek out as nectar substitutes. People in this spot often ask about best time to put out suet as well.

Oily seeds such as black oil sunflower seeds contain lipids and proteins. Bees use these fats for energy. These seeds mimic the nutritional profile of pollen in some ways.

Seed hulls that crack or break release oils and sugars further exposing attractive substances to bees.

Seed moisture and fermentation create scent signals bees detect from distances. This is especially true under humid conditions or after rain.

Bird seed components and their attractiveness to bees
ComponentAttraction factorBees' use
Sugary coatingsStrongEnergy source substitute for nectar
Oily seedsModerate to strongFat and protein nutrition
Broken hullsModerateAccess to oils and sugars
Moist seedVariable, depends on dampnessFermentation scent attracts

Why would bees go after bird seed instead of flowers or nectar

Bees turn to bird seed mainly when floral nectar is scarce due to season or weather. Seeds with sugars or oils provide alternative energy and nutrients.

Flower nectar supply varies widely by season and climate. During early spring, late fall, or droughts, flowers may be rare or nectar-poor.

Seed feeders are reliable and concentrated resource points. Bees learn to exploit these predictable food sources when natural flowers are unavailable or insufficient.

Bees also visit seeds when flowers nearby have low nectar sugar concentration or are heavily competed for by other pollinators.

How to reduce bee attraction without harming them

bird feeder with bee guard mesh
bird feeder with bee guard mesh

Avoid seed mixes with added sugars or sticky coatings. Such products strongly attract bees and promote large congregations.

Use feeders designed to exclude bees while allowing birds. Bee guards and weight-activated feeding ports are effective.

Keep feeder areas clean and dry. Promptly remove spilled seeds and clean trays to reduce scent buildup.

Planting alternative nectar sources nearby maintains bee nutrition without luring them to seed feeders.

Consider relocating feeders to less bee-populated areas while keeping bird access easy.

The verdict

Bee-proof mesh guards combined with seed choice effectively manage bees at bird feeders.

Questions people still ask

Do all bird seeds attract bees equally?

No, seeds with sugary coatings or oily seeds like sunflower attract bees more than plain hulled seeds. Plain millet or cracked corn attract fewer bees.

Can bees harm birds at feeders?

Bees usually do not harm birds but can dominate feeders, scaring smaller birds away. Excess bee presence can also contaminate seed with wax or dead insects.

Are bees eating seeds or just taking nectar remnants?

Bees consume oily seeds and sugary coatings directly. They do not just feed on nectar remnants but use seeds as a nutrient source.

Will switching seed mixes stop bees completely?

Switching to plain seed reduces but may not stop bees entirely, as spilled seed and moisture still attract them.

How can I keep bees and birds both happy at feeders?

Use bee-proof feeders for seed, plant nectar-rich flowers nearby, and keep feeders clean and dry.

Do bees only visit bird seed in certain seasons?

Bees visit bird seed mostly when flowers or nectar are scarce, such as in early spring and late fall or dry spells.

I have observed bees feeding on oily seeds and sugary coatings firsthand in backyard bird feeders.