White-crested coquette

Lophornis adoriblis_smallSpecies of the Day: White-crested coquette! This might be one of my favorite species. ‘Lophornis adoriblis’ might say it all. Weighing in at a terrifying 2.5 grams, it is one of the smallest hummingbirds in the world. This one actually flew into the window of the kitchen today and it was brought to Adam and I to save. We fed it sugar water and it flew off.

Violet Sabrewing

Violet sabrewing_smallSpecies of the day: Violet Sabrewing! This is also one of our focal species. We’ve found that these can travel kilometers across landscapes and may be the best pollinators of heliconia because they bring outcross (genetically unrelated) pollen. This photo does not do the violet much justice.

Charming hummingbird! (Amazilia decora)

Amazilia decora_bestSpecies of the Day: Charming hummingbird! (Amazilia decora). This one flew into our net today when we were trying to catch a Green Hermit. It took about 5 minutes to take a photo that showed its color. Most hummingbird feathers bend light to make the colors that they do – rather than having pigment like many other bird species (we call this “structural coloration”). This means that from certain angles, they can look black, with little apparent color at all.

Cupiennius coccineus

Cupiennius coccineus_lowSpecies of the day: Cupiennius coccineus. This one is for you Dave Hill. We actually ‘found’ this yesterday on the porch. It jumped near Karen and she might have ‘freaked out’. I was forced to capture and transport it about 1 km down the trail, but it seems to have re-emerged tonight on the window.

Chestnut-mandibled toucan

Chestnut_mandibled_toucanFirst species of the day for 2014! This time, Ava, Miles and Anna are here, so this is for other kids (big and small) that enjoyed the photos last year – you know who you are. Chestnut-mandibled toucan! Why is the toucan bill so large? People have wondered about this for a long time, but recently scientists found that they use it partly to stay cool. They can change their own temperature as much as 10 degrees C in a few minutes using the beak as a sort of radiator.

Ava’s Blog from Costa Rica

Hi. My name is Ava Catherine Betts, and I am spending two months with my family at a biological field station in Costa Rica.  My father is a biologist studying hummingbirds and Heliconia flowers.  The field station is called Las Cruces and it is outside of a little town called San Vito.  There is a large tropical garden where all the research facilities are located (dining hall, library, cabins, lab, and reception center) and a jungle for the scientists to study.Ava with Tennesee warbler

 We eat our meals together in the dining hall.  There is a large outdoor balcony where we can eat and watch the birds fly around the garden and the jungle trees.  I get to meet the other students, scientists and tourists visiting every day.  The staff who make our meals help us learn Spanish every day.  They call my little sister, Anna (3 years old), Annita (little Anna) because she is very small.  We can now all say our greetings like “Hello” – Hola, “How are you” – Como esta?,”very good” – muy bien and “thank-you” – gracias.   This week, we found some particularly cool species. We saw (birds) the silver throated Tanager, the blue crowned Mot-mot, the cherry’s Tanager, the speckaled Tanager, the green Honeycreeper, the chestnut mandibled Toucan, the white crowned Parrot, the blue headed Parrot, the violet saber wing Hummingbird, the stripe throated Hummingbird, the scaly breasted Hummingbird, the green hermit Hummingbird, the rufous tailed Hummingbird, the scarlet Macaw, the golden hooded Tanager, the crested Guan, the slate throated Redstart, and the spot crowned Euphonia. We also found some (mammals) agoutis, a troop of coatis, and squirrels. Here, Heliconias are very common. There are lots of banana plants and palm trees around. Clearly, there are a lot of birds in Costa Rica. We also saw an amazing frog called a glass frog.

glass frog_low

The climate is very different to ours (which you would expect, it being near the equator and all). The trees here look like giant ferns .At least, a lot of them. The houses \cabins are small (in fact, so small that not all of us can fit in it at night (at least, while we are sleeping). Anna, Miles, and Mum share Tinamu (one of the cabins) and Dad and I share Calibri. We think it is fun that Dad is in the cabin named “hummingbird” in Spanish because he is studying hummingbirds!  There are many ants in the cabins at night. In Mum’s cabin, I think they might like the toilet. On Sunday, we went to the ocean.  It was a two hour drive but worth the while. If you don’t mind feeling like you have a fire in your throat, than feel free to go body surfing in the waves.  On the other hand, DO NOT go in the water. The water is so salty if you swallow 1 milliliter of the water, it WILL feel like you have a fire in your throat. If you like coconuts, come to this beach. The beach is perfect for everything. So far, I like Costa Rica because… oh whatever. It would take at least an hour to list every single reason! So, stay tuned for more.  

Phenology

Phenology

Phenology is complicated word, but basically it is ‘the study of the timing of biological events and how they are influenced by the environment’.  Many of you are probably already paying attention to phenology without really thinking about it. For example when do you notice the first flowers in spring or the first leaves changing color in the fall? Did your lawn turn brown earlier or later than normal? The timing of these events can change from year to year depending on the conditions experienced by living organisms. The study of this is referred to as studying ‘Phenology’.

Can you think why it might be important to understand phenology?

How about if you are a farmer…do you think it would be important then? Understanding of phenology is very important to know when to plant your crops and when to harvest them.

This year we are noticing large changes in phenology at our study site in Costa Rica. It appears that many things are several weeks or even a month behind their typical schedule!

IMGP9875smallThis is a pretty big change and it is very noticeable to us since very few of the Heliconia we study are blooming. Mauricio and Tocho (our local field technicians) have pointed out to us that it didn’t rain as much this past fall/winter as other years and this could be why things are not as far along. While the slow arrival of flowers may delay our work a bit this offers many new questions for us to answer.

-Adam