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How Do I Deter Herons From My Water Feature? – Water Feature Q & A

Picture of a heron catching a koi

Water Feature Q & A

Q: I have a hungry heron visiting my pond. What can I do besides a net? P.S. Is it legal to shoot a heron in the state of Virginia? – Earl of Virginia

A: A fish lovers nightmare…the heron! Ever wake up in the morning, walk out to your water feature with a cup of coffee (or orange juice for you non-coffee drinkers) and discover a heron eating one of your precious koi (see left)? Your heart begins to race and your not sure what to do, you grab the nearest broom and charge out to the heron like there’s no tomorrow! Are you tired of this? Well here are a couple of options for deterring and protecting your fish.

The Motion Activated Scarecrow:
This motion-sensored sprinkler is a great way to deter not only herons but other predators as well. The sprinkler simply hooks up to a garden hose and is triggered by motion. There is a dial on the sprinkler that adjusts the sensitivity. When a heron/predator approaches sensor, it shoots a 3-second burst of water up to 180 degrees.

Pros: Extremely effective throughout the season. Can be easy blended into your water feature.

Cons: The Scarecrow doesn’t know the difference between a heron and a person so be prepared to dodge the spray!

Great Blue Heron Decoy:
Herons are very territory birds. When flying over head, if a heron sees another heron they will deter and go elsewhere. This life-like decoy, when placed next to your water feature, will do just that. We highly recommend to move them every couple of days. This will help prevent the heron from figuring out the decoy.

Pros: Effective when moved around. Adds a nice touch of nature to any water feature.

Cons: Cannot be placed outside during mating season (March-May) for obvious reasons. Once a heron has already established your water feature as its territory it becomes harder for the decoy to be effective.

Can you shoot a heron?:
Although they can be a pest, Great Blue Herons are protected under federal law. It is illegal to shoot them in the US.

Protecting Your Fish From Predators – Water Garden Q & A

Picture of Great Blue Heron

Q: Last year something caused over 20 of my fish to disappear overnight. How can I protect my fish?
-Katherine of Nanty Glo, PA

A: More often than not, what took your fish was a blue heron. We hear this quite a bit throughout the year. Here are a couple suggestions:

Blue Heron Decoy: These decoys, when used correctly, will deter blue herons away from your water garden. Here’s why: Blue herons are very territorial birds. If a heron sees another heron by a prospecting water garden, it will rather fly to another destination than challenge the heron thats there. By using a Blue Heron Decoy, you can accomplish just that. It is recommended to move the heron decoy every other day. Caution: DO NOT use heron decoys during mating season as they will become a heron magnet instead.

Motion Activated Scarecrow Sprinkler: This motion activated sprinkler works extremely well to deter any predator (including kids =) ). Simply hook to your garden hose, set the sensitivity level and any predator that comes within a 20 foot range will get hit with a 3 second burst of water. It works great and it is guaranteed effective.

Aquatic Plants: Having a 50-60% coverage in plants will help create a hiding spot for fish when predators are around.

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