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Sunday, December 16 , 2018, 5:12 am | Fair 42º

 
 
 
 

Outdoors Q&A: Koi-Eating Heron Needs a New Home

A great blue heron.
A great blue heron. (U.S. Fish & Wildlife Service photo)

Q: We live in Valley Center (north San Diego County) and had a koi pond with 75 koi. We now have maybe 20 koi. There’s a huge great blue heron that is eating the koi daily. Is there a way for Fish & Wildlife to rehome this bird so that we can save our koi? (Julie Wright)

A: Unfortunately, the California Department of Fish & Wildlife does not remove or rehome great blue herons. They are federally protected. Your best bet will be to haze the bird by non-lethal methods and discourage it from hanging around. Try putting wire around and over the top of your pond to keep the heron from easily picking off your remaining fish.

Your fish may also be disappearing due to other unwanted predators. Koi are very enticing menu favorites for a number of other small backyard visitors, including domestic cats and raccoons. Unfortunately, when various small backyard wildlife become nuisance visitors, such as koi-stealing raccoons, or possums under houses, or squirrels in attics, or rattlesnakes in your garage, etc., CDFW cannot usually assist with removal/relocation. For all of these types of animals you would need to contact a pest management company for assistance, or visit the UC Integrated Pest Management website for guidance by clicking here.

Back to the great blue heron, the USFWS provides guidance and permits for birds causing property damage. This is a common problem at larger live fish facilities, private hatcheries and aquaculture facilities. Check its website by clicking here.

Estimating Distance from Shore

Q: I have a question that’s a bit off the wall. If I am on the water, how can I accurately estimate when I am around one mile from shore? Assuming great visibility, if I am on a boat and standing 10-20 feet above sea level and I have 8x binoculars, how can I tell if I am less than or more than one mile from shore? I seem to recall someone saying to estimate half to horizon and then half of that. Does that sound correct? (Craig N.)

A: Because of swell conditions, it would be nearly impossible to estimate the distance from shore in the method you describe. The most reliable method would be to use a GPS or plotter. You can also use a compass pointed toward known locations on land and triangulate your position fairly accurately on a chart.

Abalone Scouting Before Start Time?

Q: I know I cannot start picking abalone until 8 a.m. I usually get to my spot around 7:30 a.m. If I leave all my gear on the beach, can I search the rocks to locate any abs that might be legal, mark the spots with my gloves and then at 8 a.m. go back and get them? Thanks for your assistance. (Larry P., Paradise)

A: Abalone may be taken only from 8 a.m. to one half-hour after sunset. Take is defined as to “hunt, pursue, catch, capture or kill, or attempt to hunt, pursue, catch, capture or kill (Fish and Game Code, section 86). Searching and locating abalone prior to 8 a.m. as you describe is prohibited because it would fall within this definition of take.

When Friends Share in a Hunt, Does Everyone Need Licenses and Tags?

Q: Let’s say I plan to go hunting during the regular season and want to bring a friend or family member along, but I’m the only one who actually plans on taking game. Additionally, let’s say that I am the only one in possession of a firearm or archery equipment. Does everyone in my group need to have a hunting license and tag? If no, am I the only one in the group who needs both a license and a tag, and everyone else is okay with just a license? (Jeffrey Y.)

A: No one else in your group will need licenses or tags as long as they are only observing and are not carrying a method of take with them.

— Carrie Wilson is a marine biologist with the California Department of Fish & Wildlife. She can be reached at .(JavaScript must be enabled to view this email address).

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