Bald Eagle art
Costa Rica Hawk Migration

Experience the wildlife spectacle - a river of raptors!

Trip Summary

Date: TBA

Duration: 10 days

Leader: Cam Gillies & Ernesto Carman

Limit: 12 people

Cost: TBA

From: San Jose, Costa Rica

Featured Birds:
• Swainson’s Hawk
• Broad-winged Hawk
• Turkey Vulture
• Mississippi Kite
• Hook-billed Kite
• Double-toothed Kite
• Peregrine Falcon
• Black Hawk-Eagle
• Black-chested Jay
• Snowy Cotinga
• Canebrake Wren
• Green and Rufous Kingfisher
• White-vented Euphonia

Trip Summary:
• Moderate 1 to 1.5 hour walk uphill to observation tower
• Comfortable Oceanside accommodation
• Warm humid tropical climate
• 4 to 12 participants with two guides
• Tens of thousands of migrating raptors
• Excellent forest birding
• Air conditioned transportation

Witness an amazing migration spectacle as raptors from across North America travel to wintering grounds in South America. Every fall Swainson’sSwainson's Hawk Hawks, Broad-winged Hawks and Turkey Vultures in the hundreds of thousands plus smaller numbers of other species funnel along Costa Rica’s Caribbean coast. Imagine seeing 286,000 raptors in one day on October 27, 2003! Or 189 Peregrine Falcon on October 21, 2003! At the peak time, which coincides with our visit, raptors can travel by literally in clouds. We also bird the forest of the Caribbean lowlands and slopes, which feature a diverse array of tropical birds including many resident raptors. An amazing spectacle set against a beautiful backdrop of primary forest and Caribbean beaches.

 

Click here to download registration form.

Click here to download a checklist of the birds seen on the 2003 Costa Rica Hawk scouting trip.

Photos: Migrating hawks by Cam Gillies, Swainson's Hawk by Al Grass


Itinerary

Every fall, an amazing migration spectacle occurs along the Caribbean coast of Central America. Raptors from across North America converge along this coast for their southward migration. Over 2 million raptors have been counted each fall from the hawk monitoring tower on Costa Rica’s Caribbean coast. It is one of only three sites in the world where more than 1 million raptors are counted per season. Imagine seeing 286,000 raptors in one day on October 27, 2003! Or 189 Peregrine Falcon on October 21, 2003! At the peak time, which coincides with our visit, raptors can travel by literally in clouds. This is a great location for observing this spectacle because the topography concentrates the raptors and a local conservation organization in partnership with a local indigenous reserve has constructed a 10-meter tower for observation. All of this is set against a beautiful backdrop of hills of primary forest and beautiful Caribbean beaches.

Cam, our leader writes, “I spent an amazing morning counting hawks with Ernesto, who works at the observation tower. At one point in the morning, a huge group of migrating hawks approached and Ernesto quickly started clicking his mechanical counter. After about 20 minutes the majority of the birds had passed. Ernesto showed me the counter for the number of Swainson’s Hawks ‘1,121’, but he was counting in 10s. 11,210 Swainson’s Hawks had just gone by! It was incredible!”

We spend most of our time on the Caribbean coast, watching this spectacle, but we will also visit middle elevation habitats on our travel to and from the coast to sample some more of the diversity that this amazing country has to offer. We stop in the Caribbean foothills of Braulio Carrillo National Park on our way to the coast and in the cloud forests of Tapantí National Park on our return to San Jose. While on the coast, we spend our mornings at the observation tower or birding some of the excellent low elevation forest that remains in this relatively intact and infrequently birded corner of the country. In the afternoons, we mix excursions to nearby areas with relaxing by the pool or at the beach by our hotel. We are guaranteed to see tens of thousands of migrating raptors and the surrounding environs are likely to hold many wonderful surprises!


Day 1 – Arrival in San José
The tour begins in the evening after dinner. We will meet for a brief introduction and discussion of the coming adventure. Night at our hotel in San José.

Day 2 – Travel to the Caribbean Coast
After an early breakfast we head for the Caribbean coast, stopping along the way to spend the morning birding in Braulio Carrillo National Park. This is a superb area of the Caribbean foothills that holds many species that we will not see at the coast. We will look for these specialties and hope for views of resident raptors such as Great Black Hawk, Barred Hawk, White Hawk, or Barred Forest-Falcon. After a walk along the forest trails and a lunch, we continue on to the Caribbean coast and arrive in the afternoon. Night near Puerto Viejo.

Days 3 to 7 – Hawk watching at the Caribbean coast.
Enthusiastic to see the spectacle, we walk to the observation tower on our first morning. We start near sea level and walk up a hill in the Kekoldi Indian Reserve to the observation tower. We walk at a relaxed pace to enjoy the birding in the forest and abandoned cacao plantations. This is a beautiful walk where we will encounter many forest birds such as Spotted Antbird, Bicolored Antbird, Purple-throated Fruitcrow, and Black-chested Jay. We will also see two brilliantly colored species of Poison-Arrow frogs.

The observation tower rises 10 meters up to the level of the canopy to provide clear views of the horizon and the sky above while still being shaded. Our first views of raptors will come as the land begins to warm and warm air starts to rise as thermals. Large groups will appear out of the forest and begin circling in ‘kettles’. Once they have gained some height, they will begin moving southward. The majority of the migrating raptors are Turkey Vultures, Swainson’s Hawks and Broad-winged Hawks, but there are also Peregrine Falcon, Merlin, Osprey, Mississippi Kite, Cooper’s Hawk, and Sharp-shinned Hawk. There will also be thousands of migrating swallows and swifts. The migration begins early in the day and continues all day unless there is a strong rain shower.

Beyond the raptors moving by overhead, the birding from the tower can be excellent. It is very enjoyable to be at the treetops and have species such as Collared Aracari, Blue Dacnis, Shining Honeycreeper, or Black-headed Tody-Flycatcher moving by at eye-level or below. Here and elsewhere several other raptors are possible including King Vulture, Double-toothed Kite, Hook-billed Kite, White-tailed Kite, Common Black Hawk, Roadside Hawk, Short-tailed Hawk, White Hawk, Black Hawk-Eagle, Bat Falcon and Laughing Falcon.

During our five full days on the Caribbean coast, we will likely spend two mornings and a full day at the observation tower watching the migrating raptors and other birds. We will choose these days based on the current weather conditions to try to be there for the best days possible. This area receives a large amount of precipitation so we have to be a little flexible to adjust for rain. On our other mornings we will enjoy some of the superb and easily accessible forest birding in this area. We may encounter migrants such as Bay-breasted Warbler and Summer Tanager, and many resident species-some of them with spectacular coloration including honeycreepers, seven species of parrots, euphonias, tanagers, trogons and motmots. We look for Sulfur-rumped Tanager, which is very hard to find in Costa Rica, being restricted to this corner of the country. There will also be many other forest birds including tinamous, antbirds, and woodcreepers. In the afternoons, we will have several options including a tour by canoe of a wetland in the Gandoca-Manzanillo National Wildlife Refuge. Here we will hope to see some of the waterbirds in the area such as Green Ibis or Green-and-rufous Kingfisher. Because the forest birding is slower in the afternoons, we will also be able to spend time relaxing on the shores of the Caribbean or by the pool. All while still watching raptors migrate overhead! We will also likely try a little evening owling for species such as Central American Pygmy-Owl and Spectacled Owl.

Day 8 – Travel to the highlands
After a final morning on the coast, we leave mid-morning and head inland and upward to the Caribbean slopes of the central mountains. We will stop along the way to bird a few good spots along the way. We will stop in to tour and bird an organic coffee farm, where we can learn more about organic coffee and buy some truly fresh coffee! Night in Orosi.

Day 9 – Tapanti National Park and return to San José
We leave early to do some excellent birding in the primary forests of Tapanti National Park. The Tapanti reserve is an area of Caribbean forest that is higher elevation that Braulio Carrillo. We will look for Black Guan, Brown-billed Scythebill, Black-bellied Hummingbird, Red-headed Barbet and other higher elevation specialties. With luck we may see the amazing Resplendent Quetzal! We will also be looking closely for any other raptors such as Black Hawk-Eagle that may be soaring in the valley below us. In the afternoon, we will return to San José. Night in San José.

Day 10 – Departure
Our tour concludes in San José after breakfast. We will all head home to develop our film and recount the stories from this amazing adventure.


What to expect:
On this tour we combine observing the raptor migration with birding for other species in the forest and other habitats. Our daily schedule will vary depending on the weather conditions for migration and birding. Each day will start early to enjoy the best birding and migration, but there will be options to skip the early morning if you need a break. This is a very wet area so we can except that we may get a full day of rain and showers on other days. At the coast it will be warm and humid, but the nights are still comfortable. Birding at the higher elevations will be a very comfortable temperature, but may be wet because this will be in the rainy season. We have the luxury of staying in the same locale so it will give us flexibility to adjust our schedule to fit the conditions. We will also have time midday or in the afternoons for relaxation on the beach or by the pool.

The walk up to the observation tower will take one to one and a half hours. This will be at a moderate pace to give us chances to enjoy the birding along the way, but it will require a reasonable level of fitness because we gain about 150 meters or 500 feet of elevation. The trail itself is a dirt road part of the way and a relatively smooth dirt trail with moderately inclined sections. At the tower, we will spend much time sitting or standing and staring at the sky, so bring your sunglasses to give your eyes a rest. You will need sturdy footwear for the walk, and a hat and light cotton clothing for the sun and the heat.


 

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