1. Give blood. Memorial Day weekend is traditionally one of the three worst weekends of the year for blood usage, due to all the travel and activities, and it kicks off the unofficial blood shortage season. Help the Community Blood Bank go into the weekend with the blood supply at a high level by donating. The blood bank, at 2646 Peach St., is open Mondays through Fridays from 8 a.m. to 6 p.m., and Saturdays from 9 a.m. to 12:30 p.m.  A photo ID is required.

2. Bike Around the Bay. The 11th annual Bike Around the Bay benefiting Environment Erie’s education programs will take place Saturday. Riders can choose among 10-, 30- and 50-mile rides. The rides will begin at 8 and 9 a.m., starting and ending at the Pilot House, 1 Holland St., behind the Intermodal Transportation Center. Day-of-ride registration is $25 for an individual and $45 for families. Call 835-8069 or visit www.environmenterie.org to learn more.

3. Erie Animal Network’s Art for Animals. Have fun and purchase an original piece of art by local professional and amateur artists, Sunday, 1 to 5 p.m., at Performing Artists Collective Alliance, 1505 Peach St. Admission is free; proceeds from the sale help support the Erie Animal Network’s pet food bank and its mission of reuniting lost and found pets with their owners.

4. Rummage sale at Orphan Angels Cat Sanctuary. Find some great stuff — clothing, books, DVDs, knick-knacks, pet items, household goods and more — and help the cats at Orphan Angels. The sale will be held Saturday, 8 a.m. to 4 p.m., and Sunday, noon to 3 p.m., in the shelter’s parking lot, 5439 West Lake Road.

Each week, 60 volunteers perform a variety of program-related roles, including teaching, reading, tutoring, and serving as a program or office aide. Others serve on standing committees, develop and assist at fundraisers, read during lunch time for a week in the summer or perform myriad other services.

If you are interested in volunteering, contact the program director at program@neighborhoodarthouse.org or 455-5508.

The Neighborhood Art House is also an approved site for placement of college students who qualify for the PHEAA Off-Campus Community Service Program. For information on this program, contact the executive director at NAH@neighborhoodarthouse.org or 455-5508.

Catholic Charities’ refugee ministry is looking for volunteers to help teach a variety of classes to recently arrived refugees. Teachers are especially needed to help with English classes, using Rosetta Stone software, and also with employment and culture classes. Morning, afternoon and evening sessions are available; hours are flexible. No experience is required.

For more information about this or other volunteer opportunities with Catholic Charities, contact Deacon John Brophy at 897-8327 or click here.

The lineup will feature more than 20 bands, including a Mummer’s String Band from Philadelphia, bands from Canada, and the 10-time World Champion Junior  Corps, plus numerous floats and marching units, re-enactment groups, antique cars, giant helium-filled balloons and more. The organizers are expecting as many as 100,000 people to attend.

Lots of volunteers are needed on the day of the event to make it a success. Among many other tasks, the Perry 200 organizing committee is seeking people to carry banners in the parade; help set up and inflate the helium balloons at the Cathedral Prep Events Center field before the parade; handle the balloons in the parade; assist the parade marshals by escorting buses, trucks and marchers to the lineup or finish areas; clean up after the parade; work as parking lot assistants; and someone to meet the parade units at the end of parade and direct them where to go.

If you are interested in volunteering in this historic event, visit http://www.perry200.com/parade/volunteers/ and fill out the online form, or call Dan Mucci of the Perry 200 Commemoration at 459-8000.

At the event, you can meet rabbits that are available for adoption or fostering and talk with experienced bunny caregivers. Learn what it takes to care for rabbits and whether they would make good pets for you. For more information, call 833-7505 or 881-7243.

Goodell Gardens has changed its site layout since last year, and it wants to make sure that folks who come to the festival can find a place to park. The parking guide volunteers will also count visitors and collect donations for the festival.

Parking guides will work in teams of four (or more) for two-hour shifts. Volunteers are needed to work on Saturday, May 18, from 9 to 11 a.m., 11 a.m. to 1 p.m., 1 to 3 p.m., 3 to 5 p.m., or 5 to 7 p.m. Goodell Gardens will provide walkie-talkies, bottled water, cold snacks and training. Volunteers will earn credit toward Goodell Gardens’ volunteer rewards program.

If you are interested, please contact Amber at 734-6699 or via e-mail at info@goodellgardens.org and let her know which hours you are available to help.

The group is seeking donations of clean, dry items to sell, including books, movies, household items, clothing and other goods. Donations can be dropped off at the shelter any day of the week, including the morning of the sale, except for Tuesdays and Wednesdays.

In addition, volunteers are needed to set up the night before the sale, to work the day of the sale and to rebox the items after 4 p.m. on May 18. If you are willing to help out, please visit Orphan Angels’ Facebook page and post the times you are available.

Volunteers are to meet at the Red Bridge Campground on State Rt. 321 by 8:30 a.m. Red Bridge Recreation Area is located 9 miles northwest of Kane, along the Longhouse National Scenic Byway (State Route 321).  It is on the eastern shore of Kinzua Bay, a southern branch of the Allegheny Reservoir.

Volunteers should dress for the weather, as the cleanup will be held rain or shine. The work should be completed by 4 p.m. All volunteers need to bring a lunch, drinking water and gloves, and wear long pants and closed-toe shoes or boots.

Preregistration is requested by Friday, May 3 at (814) 728-6163 or at nwelker@fs.fed.us.

Individuals and groups, such as Boy Scouts and Girl Scouts, are welcome to participate. All volunteers must sign a volunteer agreement, and parental consent and adult supervision is required for any person under the age of 18.

Yukio, a 9-month-old Japanese bobtail shorthair, won several awards for his breed during the Cat Nation Fanciers 23rd Annual Cat Show in 2012. ANDY COLWELL/ERIE TIMES-NEWS

Have fun, see prize-winning cats strutting their stuff and help local animal rescue groups all at the same time by volunteering at this weekend’s 24th annual Cat Nation Fancier’s All-Breed Cat Show.

Orphan Angels Cat Sanctuary and Because You Care animal rescue organization still need a few more volunteers to help out at the show, scheduled for Saturday and Sunday, 9 a.m. to 4 p.m., at JMC Arena, 423 W. 38th St.

Orphan Angels needs people to help staff the organization’s booth and share information about the shelter. If you’re interested in helping, call Eileen at 504-3246 to see what hours are available.

BYC needs a few people to work in the kitchen or at the basket raffle on Sunday. Shifts available are 8 to 11 a.m. or 2:30 to 5 p.m. in the kitchen or 8:45 to 11:30 a.m. at the basket raffle table. Call Ann Bucceri at 566-0323 if you can help out.

For those who are unable to volunteer but would like to attend the show, admission is $6, or $5 for students and senior citizens.  Receive $1 off the admission price by bringing a donation of cat food.

The organization is seeking volunteers who are able to commit to two hours each week, between 10 a.m. and noon, on the weekday of their choice. Volunteers will be reimbursed for the mileage they incur.

To learn more, call Wendy at 452-6930, Monday through Friday between 8 a.m. and 4 p.m., or visit the Erie Meals on Wheels website, http://mealsonwheelserie.org.