Greater sage‐grouse apparent nest productivity and chick survival in Carbon County, Wyoming

Schreiber, Leslie A.; Hansen, Christopher P.; Rumble, Mark A.; Millspaugh, Joshua J.; Thompson, Frank R.; Gamo, R. Scott; Kehmeier, Jon W.; Wojik, Nate

doi:10.2981/wlb.00124

Cited by 13 publications

(9 citation statements)

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“…Our models additionally calculated a daily survival rate. Extrapolating average daily survival to an annual rate indicates our study had lower survival than in other areas (Musil et al ; Connelly et al , ; Zablan et al ), but the annual survival rate was consistent with low sage‐grouse survival in our study area as compared to other sites and times (Schreiber et al ).…”

Section: Discussionsupporting

confidence: 80%

Male greater sage‐grouse movements among leks

et al. 2017

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Movements among leks by breeding birds (i.e., interlek movements) could affect the population's genetic flow, complicate use of lek counts as a population index, and indicate a change in breeding behavior following a disturbance. We used a Bayesian multi‐state mark‐recapture model to assess the daily probability of male greater sage‐grouse (Centrocercus urophasianus) interlek movements and estimate factors influencing movements among leks. We fitted 145 males with solar Argos global positioning systems platform transmitter terminals over 4 years (2011–2014) in Carbon County, Wyoming, USA. The daily probability of a male sage‐grouse moving among leks ranged 0.003 (95% CI = 0.000–0.010) in 2011 to 0.010 (95% CI = 0.001–0.021) in 2013, indicating high daily lek fidelity throughout the season, although there was a 5–42% chance annually a male would move at least once to another lek throughout the season (x¯ days analyzed/M = 55 ± 3.3 days [SE]). Interlek movement probabilities were strongly affected by day of year, peaking early in the lek season. Interlek movements were positively associated with elevation. Seasonal interlek movements occurred more frequently than previously reported, and can bias lek counts in early spring as males move from low to high elevation leks, which reinforces interlek movements as a critical component of lek ecology. © 2016 The Wildlife Society.

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Section: Discussionsupporting

confidence: 80%

Male greater sage‐grouse movements among leks

et al. 2017

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“…Daytime flush surveys were also used to determine final brood fate (n = 10). Only 2 papers (Hausleitner 2003, Schreiber et al 2016) used a nighttime survey method throughout the sampling period as their primary brood survey method.…”

Section: Resultsmentioning

confidence: 99%

Methods for estimating vital rates of greater sage‐grouse broods: a review

Riley

Conway

2020

Wildlife Biology

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“…Our sample of yearling males may have been too small to detect strong age effects on attendance (but see also Dunn & Braun , Schroeder & Braun ), although our small sample of yearlings probably closely approximates the age distribution in the population, given low chick survival rates in our area during the study (4.2–19.1%, Schreiber et al . ). Capturing males near leks in spring could bias lek attendance estimates high if males that roost near leks are adults that have higher attendance (Walsh et al .…”

Section: Discussionmentioning

confidence: 97%

Weather conditions and date influence male Sage Grouse attendance rates at leks

Fremgen

Hansen

Rumble

et al. 2018

Ibis

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For lek-breeding birds, lek attendance can be correlated with mating success. Variability in lek attendance could confound interpretation of male reproductive effort and complicate the use of lek counts as an index to monitor abundance. We assessed the daily probability of male Sage Grouse Centrocercus urophasianus lek attendance and explored implications of attendance on lek counts. We fitted 145 males with global positioning system (GPS) transmitters over 4 years in Carbon County, Wyoming. We evaluated influences of lek size and topography, date, weather, and bird characteristics such as age on daily morning lek attendance. The daily probability of attendance ranged considerably each year, from 0.120 ( x, 95% CI 0.051-0.259) in 2012 to 0.917 (95% CI 0.844-0.957) in 2013 with peak attendance dates ranging from 8 April (2012) to 11 May (2011). Attendance decreased with increasing precipitation on the observation day. Only 44-79% of lek counts occurred on days without precipitation and with high attendance (i.e. within 0.1 probability of peak predicted attendance). Although lek counts and population abundance, predicted using attendance rates, followed a similar trend, the relationship was not significantly correlated. We provide empirical evidence supporting current lek-count protocols: managers should avoid counting leks on days with precipitation because attendance is reduced. Although managers sometimes only complete one to two lek counts per year on active leks, completing at least three lek counts as recommended in protocols increases chances for higher male counts and improves the relationship between counts and abundance. Attendance varies annually, making it challenging to use lek counts to assess regional population trends over short time periods unless attendance is accounted for.

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Greater sage‐grouse apparent nest productivity and chick survival in Carbon County, Wyoming

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 13 publications

References 54 publications

Male greater sage‐grouse movements among leks

Male greater sage‐grouse movements among leks

Methods for estimating vital rates of greater sage‐grouse broods: a review

Weather conditions and date influence male Sage Grouse attendance rates at leks

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