Hey Les
I liked Hacienda Baru but was only there once for a couple of days. I did see the Mangrove Cuckoo so theres that.
You could catch a 1 1/2 hour bus down to the coast from San Isidro and stay for a couple nights for the lowland Pacific coast birds but I think your simpler cleaner plan is the way to go.
As far a Rancho Naturlista goes I liked the place and the Snowcaps are as regular as clockwork but there are less known equally nice places in the area.
There is a small property just outside of Brauillo Carrillo eastern entrance where for a small consideration the farmer/Landowner will let you wander around his garden for hummingbirds with the Snowcap being common but for this you would need a car, Uber or taxi.
Talari lodge is what I’d describe as an adequate place to stay. The restaurant is much better now. The owner is a very nice man but his focus of what the lodge should be are at times muddled.
The few times I or friends have stayed there we’ve always just used it as a base to visit other parts of the valley. In and of itself its not what I’d call a birding destination for someone who has spent a lot of money and miles to visit Costa Rica.
Advantages, the river, trails and grounds are ok if a little unkempt and the lodge is only 15 minutes from town.
I asked Noel Ureña who is one of the top birding guide/companies in the country and he suggests these guys,
https://www.talamancanaturereserve.com/about.html he used to install his guests at Talari but is now using Talamncan Lodge instead. They have 4000 acres with trails and waterfalls
Advantages are it would be a great destination where you could spend the whole day in their property looking for speciality birds. The area is beautiful and I’d bet you’d have the trails to yourself.
Disadvantages are its further from town but on the same road as Talari, about a half hour drive up. It would be easy to Uber from there to Los Cosingos or La Quebradas reserve.
I confess I’ve never stayed there but I’m now officially tempted.
Since Uber is heavily used all over the country and the Uber drivers (and their vehicles) are excellent any location snags are a non issue. Carey’s nephew travelled all over the country last year on Uber and loved it.
Carey also plans our trips in country and Carey being Carey is very organized about it. She recommends this website
https://www.rome2rio.com for travelling in CR, its how we get around when we aren’t going the Uber route. The buses in country are generally modern and frequent. We usually catch the Musoc Bus when travelling between downtown San Jose and Perez Zeledon (San Isidro el Generale)
If you buy a chip at one of the many “Phone stores” in town or San Jose and assuming its unlocked you can take advantage of the excellent Uber/cab service. A chip is around 2 dollars and with 10 dollars worth of minutes you’d be set. Every corner store sells minutes and I highly recommend going the phone chip thing. Costa Rica has their shit together when it comes to cellphone service not to mention the usually excellent, cheap and plentiful internet.
The golden-napped occurs here in the valley, I asked Noel if I’ve ever encountered one as he remembers every species I’ve seen and he says I have 😉 I only wish I could remember and since it was before I was keeping lists I guess I’ll have to see it again 😁
Cheers and stay safe,
Bryan
Ps. To whet your appetite here are a few shots of various bog standard country roads in the valley.