What Do Geese Eat? A Comprehensive Guide to Feeding Your Backyard Flock

What Do Geese Eat? A Comprehensive Guide to Feeding Your Backyard Flock

Geese, often admired for their stately presence and natural grace, are increasingly becoming popular additions to backyards and small farms. Unlike their omnivorous poultry counterparts like chickens and ducks, geese are primarily herbivores. Understanding what to feed geese is crucial for their health, well-being, and the joy of raising these fascinating birds. This guide will delve into the dietary needs of geese, covering everything from their natural grazing habits to supplemental feeding in different seasons.


A person hand-feeding a goose, showcasing the gentle interaction possible with these backyard birds.

Understanding the Natural Diet of Geese: Herbivores and Grazers

Geese are natural grazers, perfectly adapted to a diet rich in grasses, weeds, and leafy greens. In their natural habitat, whether wild or domestic, geese spend a significant portion of their day foraging. This foraging behavior is not just about sustenance; it’s integral to their physical and mental well-being. Their digestive systems are designed to efficiently process large quantities of fibrous plant matter. Recognizing this fundamental aspect of their diet is the first step in providing optimal care for your backyard geese.

Summer Feeding: Abundance of Natural Forage

During the warmer months, providing food for geese is remarkably straightforward. Nature offers a veritable buffet of suitable foods, primarily in the form of lush vegetation.

Key Summer Foods for Geese

  • Grasses: Geese relish young, tender grasses. A well-maintained lawn, especially one that includes diverse grass types, becomes a primary food source.
  • Weeds: Many plants considered weeds are delicacies for geese. Dandelions, clover, chickweed, and plantain are not only safe but highly nutritious components of their natural diet.
  • Herbs: Aromatic herbs add variety and health benefits to a goose’s diet. Basil, dill, oregano, parsley, and thyme are readily consumed and contribute essential vitamins and minerals.
  • Vegetables: While primarily grazers, geese also enjoy certain vegetables. Leafy greens like lettuce, spinach, and kale, along with treats like cucumbers and even watermelon, can be offered in moderation.


A goose happily grazing on fresh green grass, illustrating their primary food source in the summer.

Foraging and Free-Ranging

Allowing geese to free-range in a safe and spacious environment is the best way to ensure they access a diverse and nutritious diet during summer. A yard teeming with natural vegetation can provide nearly 100% of their nutritional needs. Free-ranging also encourages natural behaviors, exercise, and sunlight exposure, all crucial for their health. It’s important to ensure your yard is free from pesticides, herbicides, and fertilizers, as these chemicals can be harmful to geese.

Winter Feeding: Supplementing When Nature Sleeps

As winter approaches and natural forage becomes scarce, supplemental feeding becomes necessary, especially in colder climates with snow cover. While geese are remarkably resilient, they require a balanced diet even when grazing is limited.

Essential Winter Foods for Geese

  • Hay: Good quality hay, particularly grass hays like timothy or orchard hay, should form the cornerstone of a winter goose diet. Hay provides essential fiber and roughage necessary for their digestive health. Second cutting hay is preferable due to its higher protein content and softer texture.
  • Grains: Whole grains offer a valuable energy source during colder months. Wheat, barley, and oats are excellent choices. These grains can be offered whole or sprouted to enhance their nutritional value and digestibility.
  • Vegetables: Continue to offer vegetables during winter to provide vitamins and variety. Root vegetables like carrots, parsnips, and sweet potatoes, along with cabbage and Brussels sprouts, are nutritious and palatable options. Pumpkins and squash, particularly during the fall and early winter, can also be offered as treats and supplements.


A goose eating wheat from a hand, demonstrating the use of grains as supplemental feed, especially in winter.

Providing Grit and Water in Winter

Even with supplemental feeding, geese require grit to aid in digestion, especially when fresh forage is unavailable. Grit consists of small stones and sand that help grind food in their gizzard. Commercial grit can be provided free-choice. Water is equally crucial in winter. Ensure access to fresh, unfrozen water at all times, as geese need to dunk their heads to clean their eyes and nostrils and to aid in swallowing food.

Nutritional Needs of Geese: Vitamins and Minerals

While geese primarily thrive on a plant-based diet, certain vitamins and minerals are essential for their optimal health, particularly during growth and periods of limited forage.

Importance of Niacin and Vitamin D

  • Niacin: Geese, like ducks, have a higher niacin requirement than chickens, crucial for bone and leg development, especially in goslings. While some greens and weeds contain niacin, supplementing with brewer’s yeast or niacin-rich foods like whole wheat and peas can be beneficial.
  • Vitamin D: Geese synthesize Vitamin D from sunlight exposure. However, in winter months or for geese kept indoors for extended periods, supplementing with Vitamin D, or providing Vitamin D rich supplements like Coop Kelp, can be advantageous.


A close-up image highlighting the question “What do geese eat?”, central to understanding their dietary needs.

Grit and Digestion

As mentioned earlier, grit is vital for geese, particularly when their diet consists of whole grains and hay. It aids in the mechanical breakdown of food in the gizzard, improving digestion and nutrient absorption. Ensure grit is always available, especially during winter or when geese are not primarily foraging on pasture.

Feeding Goslings: Special Dietary Requirements

Young goslings have different nutritional needs compared to adult geese. During their rapid growth phase, a balanced diet is crucial for healthy development.

  • Commercial Gosling Feed: For the first few weeks, goslings benefit significantly from a commercial waterfowl starter feed. These feeds are specifically formulated to meet the high protein and niacin requirements of growing waterfowl.
  • Transition to Forage: As goslings grow and begin to explore their surroundings, gradually introduce them to fresh grass and weeds. Encourage foraging from a young age to establish healthy eating habits. By summer, juvenile geese should primarily be foraging, with minimal need for commercial feed.


Goslings eating weeds, demonstrating the early introduction of natural forage in their diet.

Foods to Avoid Feeding Geese: Harmful Foods

While geese are not picky eaters when it comes to their natural diet, certain foods are detrimental to their health and should be strictly avoided:

  • Moldy or Rotten Food: Spoiled food can contain harmful toxins that can cause illness in geese. Always ensure food offered is fresh and of good quality.
  • Salty or Sugary Foods: Geese are not adapted to process high levels of salt or sugar. Avoid giving them processed human foods, salty snacks, or sugary treats.
  • White Bread: White bread offers minimal nutritional value and can cause digestive issues.
  • Coffee Grounds and Tea Bags: These contain caffeine and other compounds that are toxic to geese.
  • Chocolate: Chocolate is toxic to most animals, including geese, and should never be given to them.
  • Onions: Onions contain compounds that can cause anemia in geese and other poultry.


Geese eating hay in a pen, illustrating a common supplemental winter feeding practice.

In Summary

Feeding backyard geese is surprisingly simple and rewarding. By understanding their natural grazing habits and adapting to seasonal changes, you can ensure your flock thrives. Prioritize access to pasture and forage, supplement with hay, grains, and vegetables as needed, and always provide fresh water and grit. With a focus on their natural dietary preferences, you’ll find geese to be low-maintenance and delightful additions to your homestead.

Further Reading

Feeding Geese – Extension Articles
Guidelines for Feeding Goslings
Common Herbs and their Health Benefits for Poultry
Health Benefits of Dandelions for Chickens and Ducks

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