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Some October Birding News for Costa Rica, 2019

I have always loved the month of October. In Niagara, deep red and gold foliage in the gorge meant that big changes were coming and real soon. Most of the warblers had passed through except for the late ones; the Yellow-Rumps and some Palms joined by sparrows chased out of the boreal zone by the temp-dropping touch of winter’s early winds. Down in the deep green Niagara River, it was still too early for most waterbirds, the rafts of hundreds of ducks and blizzards of gulls, but we still knew that the end of fall was nigh and not only by the crisp clear nights. The King Salmon in the river were another sign; non-native, introduced, yet a modern part of Niagara, the big fish from October had turned a dark golden brown. They had lost most of their speed and fresh breeding colors, were literally slowly but surely dying as they leaped from the water. Like aquatic zombies, the old wasted salmon ambled through the shallows oblivious to all lures. Part of their natural life-span, they were destined to become food for the gulls.

A Ring-billed Gull looking forward to salmon (or French Fries..)

October in Costa Rica has none of that seasonal game-changing atmosphere, no pumpkins on the porches. It’s rainy but still warm. If anything, the biggest changes come in the form of migrant birds. The wood-warblers and flycatchers began to show up in September but the main waves of birds pass through in October. Some news for this 10th, spooky cool month of the year:

High Season for Migration

Early October is when we might see a Veery. Sometimes several of the rich russet-backed thrush can be seen at fruiting trees where they are flighty and forage with a few Gray-cheekeds and Swainson’s (the bulk of which come through in mid-October). During migration, Swainson’s Thrushes are a dime a dozen in Costa Rica but the other two migrant thrushes require a bit more effort. I hope to hear some in that tropical night sky soon.

A Gray-cheeked Thrush migrating through Costa Rica from a couple years ago.

Down on the coast, flocks of Eastern Kingbirds are powering through while the skies above them feature flocks of Mississippi Kites and the first groups of Broad-wingeds. On the warbler front, Blackburnians are coming through in numbers and all other regular warbler species are here or arriving with each new day. Recently, in Parque del Este, Marylen and I had some good mid-day birding on a rare, beautiful October day. No cuckoos nor Ceruleans but we did connect with a group of 20 or warblers, most of which were Blackburnians, but there was also a Canada or two, one Brewster’s, and a Worm-eating along with Kentucky, Chestnut-sided, Yellow, Black-and-white, and a couple of American Redstarts. We also saw Olive-sided Flycatcher, both pewees (yes, they did vocalize), Red-eyed Vireos, and a few other migrants. Uncommon migrant species that other birders have recently seen in Costa Rica include Yellow-billed and Black-billed Cuckoos, Yellow-breasted Chat and Gray Kingbird.

Costa Rica’s first MOTUS station

In keeping with the main month of migration, a key means of tracking small migrant birds was recently installed at the Brisas Reserve in the Caribbean foothills of Costa Rica. Motus stations are used to detect small radio transmitters placed on birds; devices that are the best way to show exactly where birds are coming from, where they are going, and where they are stopping to refuel. This first such station in Costa Rica will help reveal more information about threatened Cerulean Warblers and other species that migrate through and winter in the country. This big key jump in research of bird migration in Costa Rica was made possible by the efforts of SELVA and the Cerulean Warbler Project as part of the Neotropical Flyways Project.

A Good Time to Bird the Caribbean Lowlands

Migration is at its best near the Caribbean coast but even if a birder wasn’t into seeing some of the same avian kind as in West Virginia, Florida, or Pennsylvania, he or she would still do well do bird places like Tortuguero, Cahuita, and other sites south of Limon. The resident birding is likewise excellent with most lowland species possible and the weather is more likely to cooperate in October than during the high season for birding in Costa Rica. Visit Costa Rica for birding in October, you won’t be disappointed!

You might see a White-vented Euphonia.

The First South Caribbean Bird Count!

I so wish I was participating in this. It’s something I have always wanted to do or at least see happen. Although other responsibilities were just too much to help out with the count this year, at least it is taking place and it looks to be a good one. Well organized and with several routes, I just know they are going to find some tough species and maybe some rare migrants on October 5th.

Striated Heron near Jaco!

A remnant wetland right at the fringes of Jaco is turning up some good stuff including Least Bittern and Lesser Yellow-headed Vulture. However, the local star of the birding show has been a vagrant Striated Heron. We didn’t head down there because we already got our year bird at Medio Queso. Many thanks go to local guide Beto Guido for keeping track of the bird and giving daily updates to help many a local birder connect with this mega for Costa Rica.

Buff-breasted Sandpipers at the airport!

Richard Garrigues (the main author of the Field Guide to the Birds of Costa Rica) and his talented birding sons have been visiting the country’s main airport to look for grasspipers. Those efforts worked because they found two Buff-breasted Sandpipers! One of the trickiest of the regular migrants to pass through Costa Rica, I suspect that hundreds just fly right on over and if some birds do stop, they end up in non-birded pasturelands. However, once in a while, some Buffies end up in the extensive areas of short grass at the airport. This year, two did just that around a week ago and Mary and I were some of the lucky birders that managed to see them. Many thanks to Richard and the Garrigues family for finding these excellent migrants.

Removal of Hummingbird Feeders

On a strange note, due to a strict interpretation of the local wildlife law, Costa Rican authorities responsible for enforcement of regulations that affect the environment have began to make some restaurants and other places take down their hummingbird feeders. This, because the law prohibits feeding wild animals. Since there is scant evidence that hummingbird feeders definitely affect hummingbirds and ecological communities in a negative manner, and because said feeders help promote local tourism (and thus an important segment of the economy), a quickly growing group of local guides, tour operators, hotel owners, biologists, and other folks have been organizing to seek a solution (stay tuned for more about this issue).

If you do go birding in Costa Rica this October, please mention your favorite bird in the comments and don’t forget to prepare for your trip with the Costa Rica Birds Field Guide app and my 700 plus page e-book, How to See, Find, and Identify Birds in Costa Rica. Hope to see you in Costa Rica!

2 replies on “Some October Birding News for Costa Rica, 2019”

I wish the authorities were as conscientious with some of the illegal tree removal I’ve seen on past visits–especially in the north and south of the country.

@Nic- Yes, I always recall you telling me about the destruction of Yellow-billed Cotinga habitatnear Golfito.

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