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biodiversity Birding Costa Rica common birds migration

Migrants are on their way back to Costa Rica

While I was standing at a bus stop last week and wishing that I could spontaneously fabricate wormholes suitable for quick and easy transport up into the much more birdy mountains, the “seet” call of a migrant warbler caught my attention

Like a secret whisper in the darkness, it was saying, “Here I am. Once again, I made it back down to the land of permanent summer without getting eaten by Sharpies, Merlins, or psycho members of the Ardeidae family. I avoided the hypnotic light traps of tall buildings and towers, and found enough food and shelter along the way to survive the elements. I made it but the journey isn’t finished yet. Now, I need to find more cover than this single Mimosa tree. It’s flowers attract a bunch of arthropodic delights and I am small enough to stay hidden in its leafy branches but even a lightweight like myself can’t survive with just one tree. Oh, and there’s also that human standing across the street. He’s making me nervous because he is staring my way with fixed eyes like a predator. I better go flit and keep myself out of sight!”

Yes, I was staring the way of the warbler. How could I not? Since I am an adamant and faithful birder as opposed to being a bus-watcher or addicted to text messaging, that warbler was the most exciting thing around! I suspect it was a Yellow because they migrate early, are common winter residents in the Central Valley, and make a “seet” call like the one I heard. Without binoculars to magically turn it into an identifiable creature, though, I can’t say for sure that it was a small, yellow, sweet-sweet singing insectivore of boreal, damp shrubbery.

Such is the serendipity of migration. You can wait at a bus stop and suddenly spot a Blackpoll Warbler, cuckoo species, or even a big-eyed nighthawk in a nearby tree. Looking up, away from the Earth, you might espy a steady stream of swallows winging their way south. Costa Rica and Panama are so small that they could reach Colombia by nightfall. Will they fly past that wonderful haunt of Colombian endemics known as Santa Marta Mountain? They are headed to the sea of forest known as the Amazon as are Eastern Kingbirds, Scarlet Tanagers, and Alder Flycatchers. I wish I could go with them but I don’t mind staying in Costa Rica. I started migrating here myself in 1992 but I eventually traded the long trips for permanent residency after becoming addicted to tropical forests.

birding Costa Rica

A glimpse into my addiction.

The fact that a lot of northern birds make Costa Rica their winter home eases my longing to walk beneath the forever canopy of Amazonian forests. Yellow Warblers (like the one I probably heard at the bus stop) love to spend the winter in Costa Rica. Spish in any lowland to middle elevation second growth and they will come calling.

birding Costa Rica

Yellow Warblers are super common winter residents in Costa Rica.

Do the same in mangroves and Prothonotary Warblers hop up onto exposed roots to brighten the swampy gloom (a lot like their breeding grounds).

birding Costa Rica

Prothonotary Warblers are so darn aquatic.

Chestnut-sided Warblers, though, are the bane of Costa Rica birders during the winter. These eye-ringed, wing-barred Dendroicas love to show up just when you think you have spotted something potentially exciting because they hang with mixed flocks, are found away from mixed flocks, can be seen in the shadows of the forest, and flit around second growth. In other words, they pop into view just about everywhere you go in Costa Rica so get ready to see a lot of them if you plan on birding Costa Rica during the winter.

birding Costa Rica

Broad-winged Hawks will soon fly over in massive kettles as they head south. Quite a few stay, however, like the one pictured below, to become the most commonly seen raptor during the winter months.

birding Costa Rica

The northern migrants are definitely on their way, some have already arrived, and will a vagrant or two show up? A few Golden-cheeked Warblers grace us with their presence each year but I would like to find something new for the country like a Hammond’s Flycatcher or Cassin’s Vireo. Although not likely, the vagaries and unpredictability of migration combined with the fact that they reach northern Central America during the winter certainly makes these species a possibility when birding Costa Rica. I just have to get out there and find them!

This post is included in #133 of I and the Bird. Check out posts from other blogs about birds and birding in this edition at the DC Birding Blog.

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Birding Costa Rica Introduction middle elevations

Birding Arenal Observatory Lodge

This past weekend I co-guided the Bird Club of Costa Rica (BCCR) once again; this time at a lodge that sits at the foot of the most active volcano in Costa Rica- Volcan Arenal. Smoking and grumbling in the Caribbean slope foothills, Arenal is about 2 hours from Monteverde, nearly four hours drive from San Jose. On Saturday morning I did the drive with fellow BCCR members Johan and Ineke. It was one of those beautiful Saturday mornings when the beauty of the green mountains framed by blue skies makes you wish more than ever that you could fly just so you could get up there as quick as possible. Flying would leave out the narrow curvy roads too but since we never evolved wings, up we went twisting and turning through coffee plantations in a small burnt-orange Chevrolet. Traffic was light and the air scented by cloud forest remnants- a pleasant drive up and over the ridge of the Cordillera Central to descend once again past the La Paz waterfall and Virgen del Socorro.

This is a truly beautiful route and one that should be birded more (one of these days, I’m going to bird the forest remnants and tangled bamboo near Varablanca and post about it). We passed fruit stalls with golden pineapples and football-sized papayas, gardens glowing with purple bougainvilla and shining red Heliconias. When we turned left at San Miguel, the Caribbean lowland plain streched out below; all the way to forested hills on the Nicaraguan border. We drove through far too many cow pastures; lands at one time shaded by immense rain forest trees with 400 species of birds. Now, the pasture grasses and thick spiny growth support a handfull of species; Anis, Seedeaters and Red-winged Blackbirds in place of Antbirds, Forest Falcons and Umbrellabirds. On the way to Ciudad Quesada, I was gladdened to see some intact forest in hilly areas-probably a watershed. Hopefully I will continue to see it, maybe even bird it some day.

In Ciudad Quesada we stopped for a coffee at a small bakery called Pan de Leon. The true pizza aficionado I am, I tried their pizza- like most pizza here, it was strange but ok and nothing close to New York pizza (yes, I miss it!). We made it to La Fortuna not long after, softly cruising along smooth roads. This incredible lack of potholes was a pleasant and welcome surprise; potholes and broken pavement are standard aspects of central valley roads- some are so lunar that locals stick tires or trees in the deeper “calle” chasms. Eager to get to our destination, we buzzed through touristy La Fortuna. This place is over done with hotels and “cabinas”, most of which also over charge. We pondered over how strong the recession will hit local businesses, how many will have to close their doors and put up a closed indefinitely sign instead of one that reads no vacancy.

Not long after the Tabacon hot springs we saw the turn off for our lodge and traded the asphalt of the highway for the rocky, dusty road that led straight towards the volcano. Luckily we had good, dry weather because during heavy rains that road is probably a slick, muddy mess. It first passed through old orchards, then just after the entrance to the national park was flanked by old second growth. We stopped  a few times and had several wintering warblers (Blue-winged being the best) along with different Wrens, Lesser Greenlet, Dusky Antbird, Great Antshrike and others- not bad for sunny midday weather. This road is probably very good in the early morning and late afternoon as the old second growth is connected to large areas of intact forest. Its probably good for night-birding too.

We stopped at a bridge with volcano in view and got nice looks at several species here such as Olive-crowned Yellowthroat and Thick billed Seed Finch (female below).

We were also entertained by Southern Rough-wing Swallows.

Further on we saw the “famous” Tucanes trail that we had never heard of. Apparently its good for seeing “the red hot lava”.

Opting for birds intead of glowing lava, we passed through the lodge checkpoint and headed up the hill to our destination.

The Arenal Observatory Lodge is not only aptly named with its perfect views of the volcano, but is also an excellent spot for birding.  This was the view from our window. Although the top of the volcano is typically shrouded in clouds, some glowing red hot areas are usually visible at night and rocks are frequently heard tumbling down the mountainside.  We saw lots of good birds from the balcony; Robert Dean, the illustrator for the latest Costa Rica field guide, saw Black Hawk Eagle from here before we arrived.

One of the best birds was Black-crested Coquette. This is the easiest site to see this species possibly anywhere- several females and occasional males were always in view feeding in the Verbena or Porterweed.

We also had nice looks at Violet-headed Hummingbird and this infrequent hummingbird species; a female Bronze-tailed Plumeleteer.

One of the friendliest birds was this Broad-winged Hawk-Costa Rica’s most common winter raptor.

We got good looks at other common species such as Melodious Blackbird.

and uncommon species such as Scarlet-thighed Dacnis- here a female.

The deck by the restaurant was ok but could have been better if they had put out more fruit for the birds. Nevertheless, it still attracted a few species and had awesome views of the volcano.

Speaking of restaurants, I can’t say I recommend that of the Arenal Observatory Lodge. The buffet breakfast was good but the rest was over-priced, boring dishes. Really, you are better off dining somewhere near Fortuna. That way, you can also bird the entrance road in the afternoon and look for night birds on the way back.

Although much of the vegetation at the lodge is non-native Eucalyptus and Caribbean pine, their trails mostly access native vegetation. The concrete trail behind our balconies looked promising; Robert has seen Thicket Antpitta here. The best trail might be the waterfall trail though. This trail accesses some beautiful middle elevation forest and has a bridge offering some canopy birding. After crossing the bridge, one reaches an open area with views of forested hills; the perfect situation to scan for Lovely Cotinga in the morning (which we didn’t see but does occur). Although we had a fairly quiet time along this trail, its probably worth a whole day as it likely holds middle elevation rarities such as Sharpbill, Black-headed Anthrush and much more. Some of the notable species we had were Crested Guan, Song Wren, Spotted Antbird and Olive-striped Flycatcher. At the entrance to the trail we had a brief flyby of a Yellow-eared Toucanet that was hanging out with a large group of Aracaris which was followed up by an even briefer flyby of what was almost certainly two Red-Shouldered Parrotlets!!

One of the coolest sightings was not a bird. See if you can find the Tigrillo or Oncilla that had been hanging around the waterfall trail. Raised by people and released here, it is far from afraid. In fact, you have to be careful it doesn’t jump on you! It was amazing to see one of these running around; very few people have seen this secretive species in the wild. Editor’s note- turns out that this cat was a Margay.

I would certainly recommend staying at the Arenal Observatory Lodge whether you bird or not. For birders, the cabins sans volcano view are just as good, if not better (at least for birding) because they are closer to good habitat with a beautiful overlook that should be good for raptors and scanning the canopy for Cotingas, etc. Although the restaurant offerings need serious help, the trails are also good birding as is the entrance road (check the rivers for Sunbittern and Fasciated Tiger Heron); birding both areas should turn up a good variety of lowland and middle elevation species. This is a great place to bring non-birding family and friends too but make reservations at this justly popular spot. If you aren’t staying here, you can still bird the entrance road for free and can pay $4 to bird the trails at the lodge, which in my opinion is very much worth it.