Wildlife
Horned lark
Eremophila alpestris
Habitat
Fort Mandan
Conservation
Apparently secure
First Observed
1805-04-10
Widespread grassland bird with over 20 North American subspecies. Clark reported at Spirit Mound; Lewis at Fort Mandan.
Recent sightings
Where it’s being seen today
8 research-grade iNaturalist observations between 2015–2025. Most recent: 2025-12-27. Sourced from Terrain360 trail captures, cached locally.
Journal References
15 journal entries mention Horned lark
Nov
27
1804
Clark: November 27, 1804
27th of November Tuesday 1804 a cloudy morning after a verry Cold night, the River Crouded with floating ice wind from the N W. finished...
Apr
26
1805
Lewis: April 26, 1805
..., which announced to me the arrival of the paty with
Capt Clark; I afterwards learnt that they had fired on some buffaloe which
they met with at that place, and o...
May
20
1805
Missouri River near Musselshell River — John Ordway: May 20, 1805
... perportion of water than River[s] of its
Size below. Cap* Clark measured it and found it to be 110
yards wide, the water of a greenish yallow coulour and appears
t...
May
25
1805
Lewis: May 25, 1805
...and sent drewyer to kill one which he
accomplished; Capt. Clark and Bratton who were on shore each killed one of
these anamals this evening. The head and horns of...
May
28
1805
Clark: May 28, 1805
May 28th Tuesday 1805 a Cloudy morning Some fiew drops of rain and verry Smokey wind from the S. W. we Set out at an...
May
31
1805
Clark: May 31, 1805
May 31st Friday 1805. A cloudy morning we dispatched all the Canoes to Collect the meat of 2 Buffalow killed last night a head and...
Jun
10
1805
Lewis: June 10, 1805
...we still could spare more amunition for this deposit Capt. Clark was
therefore to make a further deposit in the morning, in addition to one Keg
of 20 lbs. and an ...
Jul
17
1805
Lewis: July 17, 1805
...ntains
runs from S E to N. W.at 8 A.M. this morning Capt. Clark arrived
with the party. we took breakfast here, after which I had the box which
contained my inst...
Jul
18
1805
Lewis: July 18, 1805
... them usually by the way of this river.
accordingly Capt. Clark set out this morning after breakfast with Joseph
Fields, Pots and his servant York. we proceeded o...
Apr
25
1806
Clark: April 25, 1806
Friday 25th of April 1806 This morning we Collected our horses very conveniently and Set out at 9 A M and proceeded on to a...
May
29
1806
Clark: May 29, 1806
Thursday 29th of May 1806 No movement of the party to day worthy of notice. we have once more a good Stock of Meat and...
May
30
1806
Clark: May 30, 1806
Friday May 30th 1806. Lapage and Shabono Set out early this morning to the Indian Village in order to trade with them for roots; Serjt....
Jun
2
1806
Clark: June 2, 1806
Monday June 2nd 1806 McNeal and York were Sent on a tradeing voyage over the river this morning. having exhosted all our Merchendize we were...
Jun
11
1806
Clark: June 11, 1806
Wednesday June 11th 1806 All of our hunters were out by daylight this Morning. Labeech and Shann was the only Suckcessull hunters, Labeech killed a...
Jun
30
1806
Travelers' Rest - party splits: Lewis north, Clark south — Patrick Gass: June 30, 1806
...days last fall, and where it empties into Flathead (called
Clarke’s) river a beautiful river about one hundred yards
wide at this place; but there is no fish of a...