Tag: environment

What makes a good nesting box?

We might be in the middle of winter, but spring will be here before you know it, and birds will be looking to build their nests.

If you’d like to construct a nesting box for your yard or as a community project, how can you make one that bird’s will like, choose and use?

Some useful information is posted in downtown San Diego at the Tweet Street linear park atop Cortez Hill. If you’re into DIY and like to use saw, hammer and nails, here goes:

The wood should not be painted. If you use a nontoxic stain, use lighter colors–sun on dark colors might make the box too hot. Natural wood is excellent.

The entry hole must be sized for the bird you wish to attract, and raised from the nesting box floor to accommodate a nest. Small ventilation holes at the top keep the inside of the nesting box cool.

A slanted roof will allow water to run off, keeping the birds living inside the nesting box dry.

Have a side panel that opens for monitoring and cleaning when the box is not in use.

Put up your box before birds begin to look for suitable nesting sites. (And put it well above the ground somewhere the birds feel safe.)

After the nesting season, use the side panel to clean out the old nest. Ready your nesting box for birds to roost in during the fall and winter, or the following spring.

If you’d like to see photographs of the many cleverly designed birdhouses in Tweet Street Park (and they’re pretty amazing), click here!

As you build your own unique bird house, have fun and be safe!

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CleanUp Kitsune cleans Balboa Park!

Look who returned to Balboa Park today! It’s CleanUp Kitsune!

Lila and Corey Cleary-Stoner combine performance art with litter removal and call themselves CleanUp Kitsune.

I happened to notice the couple today outside the Japanese Friendship Garden.

They were kind enough to pose in full Japanese costume for a fun photo! Their fox masks come from Japanese folklore.

I first met the the couple about a year and a half ago leading a volunteer clean up in Balboa Park.

Their Instagram is @cleanupkitsune. Check it out!

(My blogging computer is out of action for several days so these posts, made from my phone, are more simple than usual. Stay tuned for more…)

Views from UC San Diego sunset overlook.

The UC San Diego Brian & Nancy Malk Sunset Overlook opened last summer. Situated high above Scripps Institution of Oceanography, an elevated platform offers wide views of the Pacific Ocean and parts of coastal La Jolla.

If you’d like to enjoy amazing panoramic views, head down La Jolla Shores Drive to Midpac Lane and look for the small parking lot.

The new overlook includes picnic tables and a bench where you can sit, relax and gaze out over the ocean. Native plants flourish around the platform and pathway.

Nearby, an informative sign tells how the Kumeyaay people lived in La Jolla (Matlahual) for thousands of years and have acted as stewards of the land. This area was part of a lagoon. It was an important natural resource that provided useful materials–for basket making, medicines, fishing, hunting, gathering and more. The sign at the overlook was developed in partnership with Jamul Indian Village and Mary Munk.

I visited recently on a sunny day…

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University Heights’ once-planned Mystic Lake!

Did you know that a lake was originally planned for one of University Heights’ canyons? You’ll learn this and more should you visit the San Diego Central Library and view one of several small exhibits in the 9th floor Special Collections Center. Mystic Lake is one fascinating aspect of The San Diego That Never Was.

Looking at Google Maps today, and comparing it to the old 1890 map on display at the library, you can see how Mystic Lake would have fit into University Heights as planned in 1888. The lake’s lower extremity would have been cradled by Lincoln Avenue and Maryland Avenue. It was not to be.

As this informative webpage (which explains University Heights street names) explains: By 1906, Arch Street, Proctor Place, and New Jersey Street replaced the area originally planned to be Mystic Lake.

Mystic Lake would have been located a couple blocks directly west of the State Normal School, which was predecessor to San Diego State University. The site today is headquarters of San Diego Unified School District.

It’s interesting to see San Diego’s old cable car route on the 1890 map as a dashed line. The short-lived cable car line operated from June 1890 to October 1892. As this historical webpage explains, the San Diego Cable Railway ran from downtown San Diego north on Fourth to University, then east to present-day Park Blvd., and north to Mission Cliff Gardens.

(Today, one of those old cable cars is preserved at the National City Depot museum. Check out photographs of San Diego Cable Railway car number 54 by clicking here!)

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Art and nature at Paradise Creek Educational Park!

If you’re ever in National City and in the neighborhood of Paradise Creek Educational Park, you might pay a visit. I enjoyed a ramble through the park a couple weeks ago and found the beauty of nature and surprising public art!

I began at the north end of the park at West 18th Street and Hoover Avenue. That’s where I spied two gorgeous mosaic benches depicting birds and other wildlife. Near the path rose a silvery wing-like sculpture.

I then proceeded over a long curving bridge above the wetland. Arriving at the amphitheater with its shade structure (in the shape of the moon), I discovered colorful art tiles. Students from Kimball Elementary School, which is directly adjacent to the park, have outdoor classes here.

From the amphitheater I walked past the community garden and playground and on, until I reached the south end of the half mile, 6-acre linear park at West 22nd Street, just east of Wilson Avenue. I turned around, headed back, and discovered a flower-like windmill sculpture between the playground and community garden!

Paradise Creek Educational Park was an Urban Greening Project of National City. It was designed by Schmidt Design Group. The park has won multiple awards, including an Orchid from the San Diego Architectural Foundation.

You might enjoy a similar walk on a sunny day. You’ll spot some birds, too!

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Giant butterfly visits Balboa Park garden!

A giant butterfly now makes its home in a special Balboa Park garden. The butterfly can be seen among the native plants of the San Diego Natural History Museum‘s Nature Trail!

Today I spotted this butterfly sculpture on the north side of the museum building. It can be observed from the Wildlife Walkway portion of the Nature Trail. I was told it appeared in the past week or two.

It’s appropriate the butterfly now makes this garden home. Many of the native plants along the Nature Trail attract nectar loving pollinators.

I tried to ascertain who made this beautiful sculpture, but no luck yet. If you know anything about it, please leave a comment!

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Nature slowly reclaims San Diego River Garden.

Five years ago I explored the San Diego River Garden in Mission Valley. Read about my visit here.

The community park, full of native vegetation and art, was developed by the San Diego River Park Foundation. It’s no longer listed on the foundation’s website. For all intents and purposes, it appears to have been abandoned.

I noticed, about a week ago, that people can still enter the old River Garden and walk about on its trails. So that’s what I did.

As you can see, the human-made parts of the park are fading away. Signs, planters and art are weathered and are slowly disintegrating.

While works of the human hand gradually pass away, the forces of nature persist. Plants, trees and natural life grow, renew, overtake.

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Pollinator garden planted near Lemon Grove Depot!

A week ago, members of the Lemon Grove volunteer group Revitalize Broadway planted an extensive pollinator garden next to the Lemon Grove Depot trolley station, in what is called Promenade Park. I first read about the project here. I saw the garden today!

Keep in mind the new plants are very small now, but they’ll grow and eventually fill out the garden spaces.

Several informative plaques among the new plantings explain the benefits of native plants, and how they attract a variety of local wildlife, including beneficial insects like butterflies and bees.

If you’d like to learn more about the Revitalize Broadway group and their positive community efforts, click here. Do you live in Lemon Grove? Why not join these good people?

What did I see today?

One plaque describes the life cycle of the monarch butterfly.

Another plaque explains the migration of monarch butterflies and how certain plants provide food sources for declining butterfly populations. Pictured are Yarrow, California Lilac, Pozo Blue Sage, Pacific Aster and Narrow Leaved Milkweed.

Another part of the new garden is slightly depressed and resembles a dry creek. It’s called a rain garden.

Designed to be environmentally friendly, it will help valuable rain water permeate the ground and act as a natural filter.

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If you’d like to see San Diego through my lens, find the “Follow” box in the sidebar to receive new posts in your email, or bookmark coolsandiegosights.com and swing on by occasionally!

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Nature’s beauty at Courthouse Gallery in San Diego!

The Courthouse Gallery in downtown San Diego has a second exhibition. It’s titled: San Diego Pastoral – From the Desert through the Mountains to the Sea.

From the sidewalk, anyone walking down Broadway near Front Street can gaze into the large windows of the Edward J. Schwartz Courthouse and view juried artwork by local artists. The pieces celebrate the natural beauty and biodiversity of the Southern District of California, which covers San Diego and Imperial Counties.

The displayed art is primarily beautiful paintings. Beaches to canyons to foothills to mountains to the desert beyond them, the depicted region is immense. These varied landscapes support what is said to be the greatest biodiversity in the United States.

I blogged about the very first exhibition of the new Courthouse Gallery earlier this year here. This second exhibition runs October 6, 2025 to February 2, 2026.

Yesterday I took a few photos at an angle through the windows to avoid reflections from the street…

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If you’d like to see San Diego through my lens, find the “Follow” box in the sidebar to receive new posts in your email, or bookmark coolsandiegosights.com and swing on by occasionally!

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Explore emerging ocean technology in San Diego!

A special event is coming up next Saturday, November 15, 2025. Visitors to the Maritime Museum of San Diego will have the opportunity to explore how emerging technologies are transforming how we use and protect ocean resources.

The event is free with General Admission and is perfect for families, students and anyone interesting in learning about blue technology. Hours are 10 am to 4 pm.

What is Blue Tech? It’s a category of advanced technologies focused on the sustainable development of the world’s oceans and coasts, also known as the Blue Economy.

According to one sign in the Maritime Museum, there will be hands-on exploration and interactive experiences concerning underwater robots, engineering, data tools and more. Student marine clubs will be there with their own innovations, too!

Super cool!

Some high tech equipment I spotted today near the sign…

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