Citizen Science in Sultan Kudarat





Following our epic climb up to Lake Holon, the trip was over for most international delegates from the Philippine Bird Festival. A few of us, however, got into a different van and headed back north towards Tacurong City, then west into the seldom-traveled mountains of western Sultan Kudarat. It was a long, winding road through limestone mountains, on a road that seemed to collapse regularly, perhaps due to being built on soft, porous limestone- not the proper material for road building. Joining us also was Emelie Jamorabon from the tourism department in Tacurong City, who's done wonders for promoting birding and the environment in Region XII.

Once we reached Senator Ninoy Aquino town, the mayor picked us up from our hotel and treated us to dinner at his house. The food was delicious, and symbolic of the diverse cultural heritage of SNA and Mindanao in general; fern salad (known locally as “fako-fako"), a delicacy of the local Manobo tribes, and inasal-style native chicken, a favorite of the Ilonggo people who settled this area in the last century. Mayor Ecija of SNA has his hands full managing a new, quickly-developing municipality; electricity only recently started running 24 hours a day, and a new road is being built to connect it with the western coast of Sultan Kudarat. Still, he’s remarkably active and involved in his community, and has been quite attentive to the concerns of newly-arrived birders and conservationists, even recently passing a municipal ordinance banning the trapping and hunting of wild animals, which we hope will be strictly enforced.

We woke up bright and early the next morning to head to the birding site in Barangay Kuden- my first time getting there early enough for owling. It was a long and bumpy 4x4 ride as always, but this time we got there with enough of the night left for the owls to be awake. Giant Scops Owls were calling from the tall trees but never showed themselves to us, but we had more luck with a young Everett’s Scops Owl, which circled around us for nearly 10 minutes, giving all of us excellent views- a relief for those who hadn’t been along for the owl sighting in Lake Holon. Just before sunrise we heard Mindanao Hawk-owl calling from above us, another very good record for the site.
Everett's Scops-owl

Once the sun had risen, the first section of road gave us a trio of Buff-spotted Flamebacks, a mixed flock of Rusty-crowned Babblers and Mindanao Pygmy Babblers, and a female Metallic-winged Sunbird gathering spiderwebs for a nest. Calling were Rufous Paradise Flycatchers, Mindanao Blue Fantails, White-eared Tailorbird, and the resident Striated Wren-babbler. I was hoping to encounter the Wattled Broadbills and Philippine Trogon I had spotted in the area during my previous visits, but alas, both remained hidden- this was the only one of my five visits to the site that I haven't seen Wattled Broadbill, and it figures it was the only one where I was guiding. The Southern Rufous Hornbills, normally quite common and tame, also remained frustratingly distant, giving us only brief flyover views.







Female Metallic-winged Sunbird


Asiatic Blood-tail (Lathrecista asiatica)


White Tiger (Danaus melanippus)


Brown Awl (Badamia exclamationis)

It quickly became clear that the usually productive section of road wasn’t quite as productive as usual, so we moved on to a quick breakfast in a small village just downhill, then the next birding area, a section of roadside forest I hadn’t properly explored yet but that looked excellent. As it turned out it would have been a good place to explore first, as it was absolutely bursting with good birds, even as it was getting hot; a Philippine Falconet perched out in the open, while a pair of Naked-faced Spiderhunters gave us brief but good views as they flew past giving their odd grunting calls. Some fascinating bird behavior was also observed; we saw a beautiful male Metallic-winged Sunbird feeding from a flower, while above it a Philippine Oriole beat a large caterpillar against a branch to subdue it. 

Philippine Falconet






Metallic-winged Sunbird


Philippine Oriole

Best was an immature Violet Cuckoo being fed by a pair of Metallic-winged Sunbirds a third its size. It turns out that this was the first-ever record of the host bird of Violet Cuckoo in the Philippines, as well as possibly the first-ever photographic record of an immature Violet Cuckoo being fed by its adopted parents. It's too bad the birds weren't closer, as my pictures came out looking like absolute rubbish, though I think the others with me got better photos.   








Joining the same massive mixed flock were four Philippine Pygmy Woodpeckers, Rusty-crowned Babblers, Stripe-headed Rhabdornis, and a Philippine Fairy Bluebird. The latter two species, though relatively easy on Luzon, are quite rare on Mindanao, so it was excellent to observe them at this site.





White-eared Brown Dove






Rusty-crowned Babbler


Blue Beak (Libythea geoffroyi)


Common Field Blue (Prosotas Nora)


Common Mapwing (Cyrestis maenalis)

Scalloped Grass Yellow (Eurema hecabe)


This looks like a lace doily, but it's actually the larva of some kind of treehopper


Green Crested Lizard


White-banded Demon (Notocrypta paralysos)

Eventually the forest grew quiet, and we headed back up the road for some lunch and a quick nap, though not before adding Philippine Leaf Warbler and Citrine Canary Flycatcher to our day’s list. Lunch was had in a small settlement in the middle of the forest, and we had a bit to talk to some locals about their roots. Barangay Kuden, like the rest of SNA, is an interesting mix of settlers from the Visayas, Luzon, and other parts of Mindanao, as well as a significant population of indigenous Manobo people. We were rousted from our lunch by a quick but strong earthquake- apparently relatively common in the area, but a shock for us nonetheless!

After lunch, we returned to our original area, hoping for a better look at the local hornbills before we departed. They weren’t immediately apparent, perhaps as the fruiting trees have moved to an area further down the road, but we had enough other birds to keep us busy, including great looks at a feeding group of huge White-bellied Woodpeckers. More fascinating for me was the site of three (yes, three) Mindanao Pygmy Babblers collaborating to build a nest, gathering dry grass from a field and carrying it to a shrub across the road. There is in fact no information officially known about their breeding or nesting behavior, so it’s quite interesting to note apparent teamwork behavior in nest building. I wonder if it also happens with feeding chicks and other duties.

Three White-bellied Woodpeckers in a tree


Mindanao Pygmy Babbler building a nest


Cross-line Wave Moth (Traminda aventiaria)


Rapala Tomokoae, an uncommon endemic butterfly

Finally, after quite a bit of searching, our driver ended up spotting a pair of Southern Rufous Hornbills sitting in a tree across the valley, quite far away but with excellent views. It was the perfect way to end a very productive day, and a productive trip overall; in just 4 birding days over two sites we saw 118 species of birds, including 76 Philippine endemics and 41 birds endemic to Mindanao. To boot, that included some birds rarely if ever seen on scheduled birding tours of the Philippines, and a number of observations that were most likely new to science. We headed out of the rainforest and back to the city and the airport after that, satisfied with a trip very, very well spent.
Southern Rufous Hornbill


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