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Mountain Lions Vs. Bobcats: Do You Know the Difference?

Mountain lions aren't as prevalent as you might suspect in Marin. Patch has highlighted the differences between a lion and a bobcat, which is much more common to see in Marin.

Editor's note: This is the first part of a series about mountain lions in Marin.

 While there have been multiple possible mountain lion sightings recently in San Anselmo and Fairfax, the likelihood that any of those reported sightings were of an actual lion is very, very slim, according to local wildlife officials.

Zara McDonald, executive director of the Sausalito-based Felidae Conservation Fund, said that 85 to 90 percent of all lion sightings in California are not mountain lions. And even if the recent Marin sightings really were mountain lions, it would be a first for Marin if a wild feline attacked a human. 

“I’ve been a county ranger for 30 years now and I’ve never seen a mountain lion in Marin,” said Rob Ruiz, Marin County Parks chief park ranger.

Ruiz said he has “certainly seen” mountain lion tracks and spotted the cougars on wildlife cameras, but they are nowhere close to as prevalent as bobcats.

“I see bobcats probably once a week in my travels [around Marin]. Bobcats are far more tolerant of people than they are of mountain lions, especially in West Marin,” Ruiz said.

McDonald told Patch there are “very, very few lions in Marin (maybe 2-3) and they are not interested in people.” The Felidae Conservation Fund founded the Bay Area Puma Project and has several remote cameras in Marin to produce population samplings of lions and bobcats. They will begin a North Bay telemetry project in 2014.

The lions have large home ranges, McDonald said, and prefer West Marin and the northwest side of Mount Tamalpais.

There have been no verified mountain lion attacks in Marin since they started being recorded in 1890, according to the California Department of Fish and Game. California has only had 16 verified mountain lion attacks since 1890 and the Bay Area hasn’t had any verified attacks since 1909.

HOW DO YOU KNOW IF YOU SAW A MOUNTAIN LION OR BOBCAT?

While bobcats may be frequently mistaken for their larger relative, they aren’t the only animal that can confuse those with a mountain lion phobia.

“We’ve had people mistake Labrador Retrievers for mountain lions,” Ruiz said, who added that it can be hard to identify an animal if you see it running into a bush quickly.

Patch decided to outline the differences between mountain lions and bobcats, which are both bigger than house cats (you can also check out the above pictures to get an understanding of what lions and bobcats look like:

SIZE

  • Bobcats are about 30 inches long and weigh between 15 to 35 pounds, Ruiz said.
  • Mountain lions are usually 52 to 54 inches long and weigh between 100 and 175 pounds, he said.

TAIL

  • Bobcats have a short bobtail that’s about five inches long.
  • Mountain lions have a long and cylindrical tail with a dark tip. The tail is usually 30 to 36 inches long.

EARS 

  • Bobcats have tufted ears, where hair sticks up from the top of the ear.

COLOR

  • Bobcats are an orangish color and have black spots.
  • Mountain lions are uniform in color and have a tawny coloration (a tan Orangish-Brownish Color).

FOOD

  • Mountain lions mainly eat deer. (They can feast on one deer carcass for a week, hiding it in bushes and staying in the area. If you ever encounter a deer carcass in bushes with leaves and twigs on top of it, don’t stick around, Ruiz said.)
  • Bobcats feast on smaller creatures, such as rabbits, rodents and chickens.

In the extremely unlikely event that someone actually sees a mountain lion, they shouldn’t call the police, McDonald said. Instead, try to take a photo so the sighting can be confirmed and call:

  • The Felidae Conservation Fund at (415) 229-9335 or e-mail info@bapp.org
  • The Department of Fish and Game office for the Bay Delta region (707) 944-5500.

Next Monday, we’ll have more information about what you should do if you encounter a mountain lion or bobcat in the wild and what precautionary measures you can do at home and outside. 

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Just a short thought to get the word out quickly about anything in your neighborhood.
Share something with your neighbors. Write a new post... What's up? Make an announcement, speak your mind, or sell something
Erma Murphy May 23, 2013 at 11:57 am
Well said Larry!
Larry the Hat Lautzker May 23, 2013 at 09:22 am
Every year we get a handful of folks who complain about something they don't like about the parade.Read More In this case, I could take a great deal of time to explain that most veterans go to the Civic Center or Presidio for a more tradition Memorial Day event. Fortunately or however by design, Mill Valley is NOT stuck in tradition. If I may speak as a community (as I see it), we all in our own way celebrate Memorial Day. I don't believe anyone takes for granted our Grand Parents, Fathers, Sons or Daughters who gave their lives so we could grow up in a better world filled with love, compassion and protecting our right to live in a free society. So we Celebrate Mill Valley on Memorial Day, ever mindful of our countries history. We celebrate in our own way. With a great Pancake breakfast that benefits the Volunteer Fire Dept. Then we go the Parade where all sorts and sizes of floats, people and organizations get to strut their stuff, ever reminding us how blessed we are to live in this great little town. Next the celebration continues, it's off to the KIDDO Carnival and Concert on the Green at the Community Center (one of the finest in the Nation) that benefits Music, Art and many other PUBLIC school programs. We inherited the right to celebrate Memorial Day consistent (I believe)with what our forefathers envisioned and fought for. A healthy and free society, where people work and play together to make our cities, towns, country and world a better place. Imagine a world where there are NO war veterans, I like the sound of a world filled with Peace veterans. That's what Memorial Day is for me and in Mill Valley we have a Great Party. Hope to see you there! Larry the Hat, Head Honcho 'I Love a Parade Committee' PS. Anyone can apply to be in the Parade or reach out to the I Love a Parade Committee to bring to light their concerns and hopefully with constructive ideas (not just complaining). If that's not enough, have your own entry that reflects what you want to happen in the parade. If you think complaining makes a difference, You are FREE to do that.
Erma Murphy May 22, 2013 at 02:17 pm
I spoke with the parade director Larry the Hat, and he confirmed that there will a be traditionalRead More color guard made up from local veterans from local American Legion Posts in the parade. We will take time to recognize the veterans who have sacrifice to keep our democracy safe.
Old Mill Park on Saturday afternoon
Thrasy Bulus May 21, 2013 at 01:33 pm
I've also noticed large numbers of people out and about enjoying the warm weather.
Rico May 23, 2013 at 04:55 pm
Reply to ScottRAB, There were never any traffic signals or STOP signs at that intersection, thatRead More intersection does not warrant any such control. Actually for traffic using Molino going to Old Mill, there is no delay with the circle, but traffic coming down from Molino to Cascade Dr. and from Cascade to Old Mill there is a delay and I doubt anyone pays any attention to the painted circle anyway, but the new painted crosswalk on Old Mill is a good idea, and so is the new Yield sign on Cascade Dr. Those 2 things are all that is really needed. Note that the Yield sign is a regulatory sign, and the other circle sign is only an advisory sign. According to the M.U.T.C.D, shall, should and may are the basic description of the classes of signs. A regulatory sign is mandatory or shall, like a STOP or a YIELD sign and is red and black, a warning sign or should sign is black on yellow, like when you see an arrow with a 25, that means it is not illegal to go faster than 25 mph but it is advised. Then you have guide signs (black on white) like the circle sign which are guide signs, so that sign means nothing if a motorist disregards it, which most all people do anyway. Mill Valley is not a big congested city in Europe, and that intersection is not even in a high volume-high speed location such as other intersections in town. Sorry for the above 2 posts, when posting on the Patch I have to remember never to hit the enter button, no more paragraphs. Perhaps this is to discourage long posts, and by the way, a question to the Patch editors, is there a limit to the number of characters when posting on the new Patch ?
Rico May 23, 2013 at 04:21 pm
Reply to ScottRAB,
Rico May 23, 2013 at 04:20 pm
Reply to ScottRAB.