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John Deitsch — April 12, 06:40PM

What is a county 'tick'?

What does 'county tick' mean?

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Best Reply
Hutch — April 12, 09:30PM

I wondered about this for a long time too. Robbie is right, but his explanation might be a bit brief and hard to follow. Try this:

Let's say you are a brand-new birder, using eBird for the first time.

You report five species of birds (American Robin, House Sparrow, House Finch, Canada Goose, American Crow) at your home in Abraham County. eBird will now report that you have 5 species in Abraham County and 5 species in your state and your "county ticks" will be 5.

The next day you report seeing three species (American Robin, American Crow, Mallard) at your workplace in Benjamin County. Now, eBird will report the same 5 species in Abraham County and the 3 species in Benjamin County. The state count will be 6 (robin and crow are repeats, only Mallard adds to the state count). But the "county ticks will be 8.

To complete the concept, let's say that the next day you report seeing Mallard at home in Abraham County and House Sparrow, House Finch, and Canada Goose at work in Benjamin County. Now you'll find that both county lists will report six (the same six species!), the state list will report six (you've ONLY reported these six species in your state), but "county ticks" will report 12 (you've seen six species in one county and six in another).

Hope that helps!

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Robbie LaCelle — April 12, 03:51PM

It means another bird for that county. Like if I went to Oswego County and saw a Black Vulture (a bird I've not seen before in that county) it would be a county 'tick'.

Also you are probably looking at the "Total County Ticks" column in MyEbird. That is the total of all the birds you've seen in each county of the state added together. So if I have 300 in Los Angeles County and 145 in Humboldt County and none in any other county my county ticks for California would be 445. Some birders (myself included) like to see as many birds in each county as possible.

Hopefully this makes sense.

Up rated: 15 Down
Hutch Best Reply — April 12, 09:30PM

I wondered about this for a long time too. Robbie is right, but his explanation might be a bit brief and hard to follow. Try this:

Let's say you are a brand-new birder, using eBird for the first time.

You report five species of birds (American Robin, House Sparrow, House Finch, Canada Goose, American Crow) at your home in Abraham County. eBird will now report that you have 5 species in Abraham County and 5 species in your state and your "county ticks" will be 5.

The next day you report seeing three species (American Robin, American Crow, Mallard) at your workplace in Benjamin County. Now, eBird will report the same 5 species in Abraham County and the 3 species in Benjamin County. The state count will be 6 (robin and crow are repeats, only Mallard adds to the state count). But the "county ticks will be 8.

To complete the concept, let's say that the next day you report seeing Mallard at home in Abraham County and House Sparrow, House Finch, and Canada Goose at work in Benjamin County. Now you'll find that both county lists will report six (the same six species!), the state list will report six (you've ONLY reported these six species in your state), but "county ticks" will report 12 (you've seen six species in one county and six in another).

Hope that helps!

Up rated: 11 Down
John — April 13, 11:50AM

Thanks !!

Up rated: 5 Down
Mark — April 14, 06:19PM

it's a new addition to the cumulative total list of species that you've seen in a particular county

"how many ticks do you have in XYZ county?" is the same as "how many species have you seen in XYZ county?"

Up rated: -7 Down

This question has received the maximum number of answers.

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