November 25, 2025, 4:37 am | Read time: 3 minutes
A small hedgehog pads through the garden in the dark, the leaves rustle, the air is cold, and winter is approaching. Many people would act immediately—put out some food, maybe even get a box. In Germany, helping hedgehogs has almost become a national pastime. But despite all the love for animals, not every prickly creature needs human support. Here’s how to tell if a hedgehog is really too thin and needs help.
“Pear Shape” as a Guideline—Hunger Fold as a Warning Sign
A healthy hedgehog has a round, pear-shaped figure: narrower at the front, wider at the back. When viewed from above, you should see a rounded bulge, not a straight line. If this shape is missing—if the body is elongated, almost sunken, or like a sausage—it’s a warning signal. Then the hedgehog lacks enough fat reserves to survive the winter.
Particularly telling is the so-called hunger fold—a noticeable indentation behind the head. This appears as a clear downward bend between the neck and body. It forms when muscle mass dwindles and fat tissue is absent. Other typical signs of underweight include palpable bones, a sharp-looking head, squinted, non-shiny eyes, and sunken flanks.
Additionally, hedgehogs that are active during the day may seem cute at first glance, but they are often weakened or sick. Healthy animals are almost exclusively seen at dusk or nighttime.
When Help Is Really Needed
Not every small hedgehog needs to be brought indoors immediately. Only those that are obviously too light, weakened, or injured need human support. Such animals should be kept warm—for example, in a box with a towel and a lukewarm hot water bottle—and then a hedgehog station or veterinarian should be contacted.
Important: No milk! Hedgehogs, as insectivores, cannot tolerate it. More suitable options include special hedgehog food, cat food, unseasoned scrambled eggs, or oatmeal with a bit of oil.
Many more questions about how to support local wildlife are answered in this article: Hedgehogs Need Year-Round Support–Here’s How to Help Properly.
Found a Baby Hedgehog in Your Garden? Here’s What to Do
Found an Injured Hedgehog? Here’s What to Do Now
How Much Should a Hedgehog Weigh?
The rule of thumb is:
- In October, a young hedgehog should weigh at least 500 to 600 grams.
- Adult animals weigh over 800 grams.
- Under 400 grams in late autumn? That’s clearly too little.
If you’re unsure whether the animal weighs enough, you can check with a kitchen scale. It’s best to briefly place the hedgehog in a bowl or small box. This weight assessment provides a reliable assessment of whether the animal can make it on its own—or if it needs help.
How to Help Hedgehogs Long-Term
By making your garden hedgehog-friendly, you help in two ways:
- leaf piles instead of leaf blowers,
- no slug pellets or robotic mowers,
- leave deadwood so hedgehogs can feast at the insect buffet,
- shelters made of wood or natural materials,
- shallow water sources for drinking.
This way, the animals find food and shelter—and don’t need to be rescued in the first place.
Addresses of regional wildlife stations and more information can be found at Pro Igel e.V. at www.pro-igel.de or at Wildtierschutz Deutschland e.V. at https://www.wildtierschutz-deutschland.de/verletztes-wildtier-gefunden. Many regions and states also have their own websites and hotlines for wildlife assistance.