CBA Blog
Spring is one of the most critical seasons in a bird’s life cycle. As temperatures rise, millions of birds migrate north to their breeding grounds, seeking food, shelter, and safe nesting sites along the way. For many species, backyards in urban and suburban neighborhoods aren’t just flyover zones — they’re essential rest stops or even permanent habitats. That’s why what homeowners choose to plant, build, and illuminate can make a huge difference. Check out some tips by our friends at Cat Topia to make your backyard more welcoming to birds, and keep your cats safely enclosed.
Although Earth Day comes once a year, it is important to make every day bird-friendly. There is already a heavy loss of avian life, with a decline of around 2.9 billion birds since 1970, and it would be calamitous if this trend were to continue. The following are five types of pollution to keep in mind and their detrimental effects on class Aves
The 2025 Bird Outing Leader Training program will be kicking off in April, and this initiative wouldn’t be possible without the support of Veronica Kyle and the EcoWomanist Institute (EWI). The mission of this inspiring organization is to focus on societal and environmental issues that affect women of African descent, who are typically the healers of their community, and underserved communities in general.
If you like reading a good memoir, or if you’re needing inspiration as Earth Day 2025 comes around, you should pick up Trish O’Kane’s 2024 volume, Birding to Change the World: A Memoir. It is, in her own words, a “braid of science, personal story, and an activism story” that comes as close to riveting as any memoir can.
The current strain of the bird flu has been spreading rapidly among wild and poultry birds alike, causing concern over what happens next. Learn about some of the consequences of avian influenza and some of the measures you can use to protect yourself and our local birds.
This article looks at gull identification through the lens of evolutionary biology and genetics. It discusses when it becomes necessary to move beyond rigid taxonomic categories and instead focus on variation in genes and traits. For birdwatchers, who can only deal in observable traits, this approach is crucial to avoid unwarranted assumptions about genetics—assumptions that can lead to false confidence when assessing vagrancy or hybrid ancestry.
There is progress! In June experts in avian conservation, urban planners, architects, City of Chicago Departments and other relevant experts will provide policy recommendations on bird-friendly design. Data on which new construction developments have selected bird-mitigation options from the Sustainable Development Policy during the year since the updated policy was released will be considered.
When the temperature drops and the snow starts flying where should you head to do a little birding…or should I say brrrr-ding. Well, there are quite a few good options around Chicago.
When you think of romance between birds, perhaps Monty and Rose, arguably Chicago’s most famous bird couple, come to mind. This Piping Plover pair captivated Chicago from 2019 to 2021. But every year, numerous birds around the Chicagoland area signal their willingness to pair up, mate, and form a family. Ardor to a bird comes in many varieties. It can be…
The importance of Black Americans in conservation and environmentalism is GREATLY underrepresented and it requires some digging to learn about the significant past and current Black contributors and advocates of birding, conservation, and environmental justice.
With freezing temperatures, limited daylight and lengthy nights, many birds have eschewed Chicago for warmer climes. But there are still a number of hardy souls here, such as the Downy Woodpecker, Blue Jay, and Northern Cardinal. They have adopted diverse strategies that allow them to endure a Chicagoland winter.
Lately, it hasn’t always been apparent that the Chicago area is knee-deep in winter – for one thing, there’s been very little snow to be knee-deep in! However, many birds in our area provide a clue to the current astronomical season: their winter plumage. What we see in winter is non-breeding or basic plumage. Here we’ll learn about some dramatic and some subtle plumage changes in birds that we may see in Chicago this winter.
December marks the beginning of the Christmas Bird Count, and with the holiday season in full swing, the iconic song “The Twelve Days of Christmas” has been playing relentlessly. But did you know that the birds in this classic song can essentially be found in Illinois? Learn which birds you can observe for the Christmas Bird Count that also show up in “The Twelve Days of Christmas!”
Did you know that Wild Turkeys, the symbol of Thanksgiving and November, have been sighted right here in Chicagoland? Learn about the history of turkeys in Chicago, from their reintroduction to save them from the brink of being wiped out to how they’ve rebounded so well that they’ve gained new, potentially uncharted, territory.
The Chicago area, and in particular the Forest Preserves of Cook County (FPCC), are fortunate to have several different types of natural habitats that birds need to thrive, including shrublands. Partnering for Birds, created by the Chicago Bird Alliance in collaboration with FPCC, uses data from the Bird Conservation Network and eBird to describe work-in-progress and birds of concern in the different habitats.
The Chicago Planning Commission is hearing a case that will permanently transform the south lakefront and ruin a lot of important bird habitat. The letter sent by Bird Friendly Chicago contains our recommendations to improve the site for birds. Please help! Here are two things you can do.
Slow Birding: The Art and Science of Enjoying the Birds in Your Own Backyard is a push against the relentless drive to incessantly add to birding life lists; the book advocates for deep study in one area rather than spotting a bird and moving on to the next one.
Nature is full of awe and birds are a prime example of how fascinating the fauna on earth is. Some of this wonder, however, can come with a side of apprehension. Seeing as it’s Halloween, below are seven examples of how birds can be just a bit unsettling, whether it be the way they stare with those red eyes, their means of communication, or, in the case of the Loggerhead Shrike, their predilection for impalement.
Bird Friendly Chicago and its supporting organizations are looking to assemble a group of volunteers that can help speak up for bird conservation as new building projects work their way through city permitting.
This year’s cicada season has come and gone, and during the spring and summertime, birders across Chicagoland eagerly observed their favorite birds feasting upon two broods of periodical cicadas. You submitted some fantastic photos, and it was great to see how birds were reacting to the abundance of cicadas! However, some fledglings started to lose their eyesight, possibly due to eating too many cicadas.
Illinois Beach State Park (IBSP) now has islands. They’re actually breakwaters built as part of a $73 million project to create shoreline stabilization structures in three different locations in the park.
Chicago’s dynamic urban environment, with its mix of parks, river walks, and green spaces, supports a diverse array of bird species. From the familiar Northern Cardinal to migratory species like the Ruby-throated Hummingbird, these birds play crucial roles in our city’s ecosystem. However, the presence of pets, particularly cats and dogs, poses significant challenges to these avian populations. Understanding the impact of pet ownership and adopting responsible practices can help safeguard our feathered friends.
The first-ever Urban Birding Festival, which ran from September 13th – September 15th, was an immense success! The festival offered a thrilling mixture of expert presentations, guided birding trips, educational workshops, and social gatherings. It was a fantastic opportunity for experienced and novice birders to learn more about avian wildlife and connect with others passionate about birds.
Learn about color patterns in juvenile jaegers using examples from eBird's Macaulay Library. This blog goes over what the most consistent and obvious color patterns are in each species and how these patterns can create different impressions at a distance.
It’s important to stay hydrated in this heat, and birds are no exception to this tenet. By installing a birdbath, you can help those looking to cool off or have a drink.
With the deaths of the great horned owl family of Lincoln Park having been confirmed to be the result of rodenticides, it’s important to understand the devastating impact that rat poison has on birds of prey, and what solutions can be implemented to handle the brown rat population of Chicago properly.
Chicago today is home to many Indigenous people. On this Indigenous Peoples’ Day, we share some works that delve into the Indigenous history of Chicago. Follow the links to explore them.