Ask the Experts: Question #1

Please join me in welcoming our three birding Experts as you San Vito Bird Club members have your birding questions answered on a weekly basis:

Jim Zook: Professional ornithologist, bird population specialist for Stanford University and co-author of ‘The Wildlife of Costa Rica‘.

Pepe Castiblanco: Co-owner and proprietor of Casa Botania B&B and professional birding and nature guide.

David Rodriguez Arias: Tropical Biologist and natural history guide in Monteverde, Costa Rica.

QUESTION #1: What family of Costa Rican birds are your favorites?  And why?

Pepe Castiblanco: Wrens are by far my choice. They not only have a unique physical characteristics that differentiate each one of them but they also have a remarkable sense of rhythm, making them the most musical family of all, battling each other in complicated musical lines when one of them often starts the phrase and the other one completes it making a perfect composition worth of a Grammy or a Figaro selection!

Jim Zook: Too many to pick just one. My favorite family to listen to is the Troglodytidae (Wrens). Think Song Wren. My favorite family for common names is the Trochilidae (Hummingbirds). Snowcap, Coquette, Woodstar, Mountain-gem. My favorite migrant family, the ones I most miss when they aren’t here? Parulidae (Wood Warblers). My favorite family name is the Rhinocryptidae. Camouflaged Rhinoceroses? Sorry, it’s just the Tapaculos. My favorite new family is the Rhodinocichlidae (Rosy Thrush-Tanager). If ever there was a species deserving of its own family this is it. Favorite pelagic bird family and the one most likely to produce some stunning surprise? Procellariidae (Tubenoses). But the family that has probably been my favorite, ever since I started birding, is the Accipitridae (Hawks). Lot’s of old familiar faces and challenges that still make my heart soar, plus the possibility of something new – that Harpy Eagle that’s out there waiting for me.

David Rodriquez Arias: It is hard to tell which are my favorites family, but well, here I give you three that I like the most. My favorite family of birds of Costa Rica is Trogonidae, because my first project when I started getting in touch with birds at my university was about Trogons. Also, thanks to my father (who is a farmer) I have been in touch with Quetzals since I was 5 years old, due to I went with him to his farm, and Quetzals were nearby us. So, that also made me focus in this family when I was at the university.

I also like the Charadriidae (plovers and sandpiper-like birds) family, because of the incredible journeys they do every season. I always think about all the things they can see during their migration movements. I also like to watch them when they go to rest. All together in a small place, sometimes hundreds of individuals of different species sharing that place they have chosen.

And the last one is Trochilidae (hummingbirds), because of the amazing adaptations they evolved to survive in different habitats. I also like the way how the evolved to fly and their stunning plumages. Moreover, they play an important role in the forest, another incredible adaptation of natural selection between a bird with a plant.

Thank you gentlemen for your responses; insightful and wise.

Next week we pose Question #2, which was submitted by SVBC member David Fielding:

‘The Sunbittern’s wings, when spread, each have a big beautiful eye-like spot. What do you suppose is the evolutionary reason for that spot? Is it to scare away predators? Is it to attract a mate? Are the wings spread to display the spot during courtship? . . . Or is it for both reasons?’