Northern Beardless-Tyrannulet
Northern Beardless-TyrannuletNorthern Beardless-TyrannuletNorthern Beardless-Tyrannulet

Northern Beardless-Tyrannulet

Camptostoma imberbe

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
5–10% · With luck
overall probability at Ostional Wildlife Refuge
29 Verified records at Ostional Wildlife Refuge
March Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The northern beardless tyrannulet (Camptostoma imberbe) is a small passerine bird in the tyrant flycatcher family. It breeds from southeasternmost Arizona and Texas of the United States through Mexico and Central America to northwestern Costa Rica. This species is found in light forests, cultivation and gardens with trees. The domed nest is made of plant fibre or leaves with a side entrance. The nest is placed by a tree fork. The typical clutch is two white eggs, which are marked with rufous and lilac mostly at the larger end. Wikipedia →

5–10% of wildlife watchers report a Northern Beardless-Tyrannulet sighting in Ostional Wildlife Refuge, based on 29 days of visitor records from GBIF citizen-science data.

Closest Relatives at Ostional Wildlife Refuge

Great Kiskadee
LC

Great Kiskadee

☀️ Diurnal Bird

Pitangus sulphuratus

70–80% · Very likely
Tropical Kingbird
LC

Tropical Kingbird

☀️ Diurnal Bird

Tyrannus melancholicus

50–60% · Likely
Boat-billed Flycatcher
LC

Boat-billed Flycatcher

☀️ Diurnal Bird

Megarynchus pitangua

30–40% · Possible
Streaked Flycatcher
LC

Streaked Flycatcher

☀️ Diurnal Bird

Myiodynastes maculatus

20–30% · Possible
Social Flycatcher
LC

Social Flycatcher

☀️ Diurnal Bird

Myiozetetes similis

20–30% · Possible
Great Crested Flycatcher
LC

Great Crested Flycatcher

☀️ Diurnal Bird

Myiarchus crinitus

10–20% · With luck
Nutting's Flycatcher
LC

Nutting's Flycatcher

☀️ Diurnal Bird

Myiarchus nuttingi

5–10% · With luck
Brown-crested Flycatcher
LC

Brown-crested Flycatcher

☀️ Diurnal Bird

Myiarchus tyrannulus

5–10% · With luck
Sulphur-bellied Flycatcher
LC

Sulphur-bellied Flycatcher

☀️ Diurnal Bird

Myiodynastes luteiventris

5–10% · With luck
Dusky-capped Flycatcher
LC

Dusky-capped Flycatcher

☀️ Diurnal Bird

Myiarchus tuberculifer

5–10% · With luck
Scissor-tailed Flycatcher
LC

Scissor-tailed Flycatcher

☀️ Diurnal Bird

Tyrannus forficatus

5–10% · With luck
Bright-rumped Attila
LC Endemic

Bright-rumped Attila

☀️ Diurnal Bird

Attila spadiceus

5–10% · With luck

📅 Monthly Probability

5–10
Jan
5–10
Feb
10–20
Mar
5–10
Apr
<5
May
5–10
Jun
<5
Jul
<5
Aug
<5
Sep
<5
Oct
<5
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 El Triunfo 🇲🇽 Mexico
30–40%
2 Calakmul Biosphere Reserve 🇲🇽 Mexico
10–20%
3 Celestún Biosphere Reserve 🇲🇽 Mexico
10–20%
4 Santa Rosa National Park 🇨🇷 Costa Rica
10–20%
5 Arrecifes de Cozumel National Park 🇲🇽 Mexico
10–20%
6 Rincón de la Vieja National Park 🇨🇷 Costa Rica
10–20%
7 Cañón del Sumidero National Park 🇲🇽 Mexico
5–10%
8 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
5–10%
9 Cumbres de Monterrey National Park 🇲🇽 Mexico
5–10%
10 Las Baulas Marine National Park 🇨🇷 Costa Rica
5–10%
11 Ostional Wildlife Refuge 🇨🇷 Costa Rica
5–10%
12 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
5–10%
13 Lago de Yojoa 🇭🇳 Honduras
5–10%
14 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
5–10%
15 Cerro Azul Meámbar National Park 🇭🇳 Honduras
<5%
16 Carara National Park 🇨🇷 Costa Rica
<5%
17 Palo Verde National Park 🇨🇷 Costa Rica
<5%
18 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
<5%
19 Pico Bonito National Park 🇭🇳 Honduras
<5%
20 Tenorio Volcano National Park 🇨🇷 Costa Rica
<5%
21 Masaya Volcano National Park 🇳🇮 Nicaragua
Insufficient data
22 Montes Azules Biosphere Reserve 🇲🇽 Mexico
Insufficient data
23 Arenal Volcano National Park 🇨🇷 Costa Rica
Insufficient data

Quick answers

What are the chances of seeing a Northern Beardless-Tyrannulet in Ostional Wildlife Refuge?

About 5% of wildlife watchers report a Northern Beardless-Tyrannulet sighting in Ostional Wildlife Refuge, based on 29 days of visitor records from GBIF citizen-science data.

When is the best time to see Northern Beardless-Tyrannulet in Ostional Wildlife Refuge?

March has the highest sighting rate for Northern Beardless-Tyrannulet in Ostional Wildlife Refuge in our monthly data.

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